Michigan practitioners currently use about seven logins for state tax and payroll work, most of them behind the state's MiLogin sign-in. The Department of Treasury is in the middle of moving off two older platforms onto FAST Enterprises' GenTax. Individual income tax left a roughly 40-year-old mainframe system for GenTax and the new Michigan Treasury eServices portal on November 12, 2025; the first filing season on it brought delayed refunds, about 27,000 erroneous adjustment letters and a June 2026 House Oversight hearing. Motor fuel, tobacco and marijuana retail excise tax move to eServices on November 12, 2026, City of Detroit income tax on January 1, 2027, and sales, use and withholding are scheduled to leave Michigan Treasury Online and the SAP-based MIITAS system in March 2028. The FAST income tax contract has grown from $68.7M to $93.9M. Unemployment insurance is also changing systems: employers moved from MiWAM to Deloitte's MiUI on February 23, 2026 and claimants follow on November 9, 2026, ending the FAST-built MiDAS system whose automated fraud findings from 2013 to 2015 led to a $20M settlement. Michigan has no state paid family and medical leave program.
Contract totals are the approved ceilings or current contract values the sources state, not money paid, and they are added up only where a plain contract figure exists. The yearly average spreads each system's payments over the years they cover (marked p), or, where no payment data was found, its contract total over the contract term (marked c); systems with neither are left out; it is an estimate of the yearly cost, not a reported figure. Payments to date and project budgets or estimates are added up in their own tiles, from the figures shown in the table; the three kinds of figure overlap and are never added together. Follow each system below for its sources.
Individual income tax (and bottle deposit) filing, payments, account access and correspondence, since 11/12/2025
Third-party (tax professional) access requests to client accounts
Motor fuel, tobacco and marijuana retailers excise tax, from 11/12/2026
City of Detroit individual income tax, from 1/1/2027
Two portals: the Citizen Portal (https://mitreasury-eservices.michigan.gov/CitizenPortal/_/) and the Business Portal (https://mitreasury-eservices.michigan.gov/BusinessPortal/_/), which uses MiLogin for Business. Treasury says other taxes now filed in MTO, including sales tax, stay in MTO for now.
Sales, use and withholding tax returns and payments
Corporate income tax and flow-through entity tax
Marijuana retailers excise tax until 11/12/2026
MTO is the online front end of MIITAS, the SAP-based business tax system. Sales, use and withholding are scheduled to move to GenTax (Rollout 3) in March 2028; corporate income and flow-through entity tax are in optional later rollouts with no date.
Built by SAP (software and hosting); built by Deloitte Consulting LLP (contract 071B8200018, 2007 to 2021); maintained by Accenture LLP since 2019. Contract details
Motor fuel and tobacco tax registration, returns, payments and power of attorney
Motor fuel statutory refund claims
Treasury is decommissioning the MiMATS web platform at 5 p.m. on 10/30/2026; motor fuel and tobacco tax open in Michigan Treasury eServices on 11/12/2026. Users can carry MiMATS access over to eServices for six months.
Michigan Department of Labor and Economic Opportunity, Unemployment Insurance Agency (UIA)
Employer and third-party administrator (TPA) UI tax functions: registration, quarterly wage reports, payments, since 2/23/2026
Benefits functions for claimants and employers (claims, certifications, fact-finding, protests), from 11/9/2026
Sign-in is through MiLogin; employers activate MiUI with an 8-digit code from MiWAM. UIA says an employer with a TPA must keep its own employer account.
Administers Michigan's major taxes, including individual income, sales, use and withholding, corporate income and flow-through entity taxes, and runs audits and collections, through Michigan Treasury Online (MTO) and the Treasury eServices portals.
How to reach it
For tax professionals
Tax Professionals eServiceetreas.michigan.gov/tp/homeListed on Treasury's Contact Us page among its online tools. Treasury lists no separate practitioner phone line.sourcePublic record
For businesses
Business taxes (sales, use and withholding, corporate income, registration)517-636-6925The same number is listed for Business Taxes, Michigan Treasury Online, Sales, Use and Withholding Taxes, Corporate Income Tax and Business Tax Registration. Treasury warns that calls may be disconnected during high call volume.sourcePublic record
Collections (businesses)517-827-3227Individuals call 517-636-5265.sourcePublic record
Michigan Treasury Online: Ask a Questionmto.treasury.michigan.govTreasury's Contact Us page lists MTO Ask a Question as the online contact route for business tax accounts.sourcePublic record
General
Taxpayer Advocate517-636-4759The Office of the Taxpayer Advocate may help with a tax or other Treasury issue after all other remedies are exhausted. Its page warns of significant delays and says to allow up to 3 weeks for acknowledgement of a request.sourcePublic record
Office of Collections (mail) Michigan Department of Treasury, Office of Collections, P. O. Box 30199, Lansing, MI 48909 sourcePublic record
Department mailing address Michigan Department of Treasury, Lansing, Michigan 48922 General correspondence; specific units have their own P.O. boxes on the same page.sourcePublic record
Who leads it
Answers to the governor
State Treasurer
Rachael Eubanks
Appointed by the governor with the advice and consent of the senate and serves at the pleasure of the governor (Michigan Constitution, Art. V, sec. 3, which names the state treasurer as a single executive heading a principal department). Appointed by Governor Gretchen Whitmer in January 2019.
Head of the Department of Treasury (MCL 16.176). The Chief Deputy Treasurer and the Chief Investment Officer report to the State Treasurer. sourcePublic record
Chief Deputy Treasurer
Lance Wilkinson
Unclassified position. The appointing authority is not stated in the sources read.
The second post in the Department. On the organization chart, Executive Operations and the four deputy treasurers (Financial and Administrative Services, State and Local Finance, Revenue Services, and Advocacy, Policy and Analysis) report to the Chief Deputy Treasurer. sourcePublic record
Deputy Treasurer, Revenue Services
Kavita Kale
Classified position. The appointing authority is not stated in the sources read.
Heads Revenue Services, to which the Tax Compliance, Tax Administration Services, Collection Services, City Income Tax and Revenue Integrity and Intelligence bureaus report. sourcePublic record
Director, Tax Administration Services Bureau
Katina Litterini
Classified position. The appointing authority is not stated in the sources read.
The bureau administers all major Michigan taxes, including individual income, sales, use and withholding, corporate income and flow-through entity taxes; processes about 9 million returns and forms a year; and is the primary customer contact center for taxpayer inquiries, as well as handling taxpayer registration and tax form development. sourcePublic record
Director, Tax Compliance Bureau
Latrice Russell
Classified position. The appointing authority is not stated in the sources read.
The bureau works to increase compliance with Michigan tax statutes while managing the Taxpayer Bill of Rights; it combines audit with discovery and tax enforcement, through four divisions: Field Audit 1, Field Audit 2, Discovery and Tax Enforcement, and Operations. sourcePublic record
Director, Collection Services Bureau
Matthew Clark
Classified position. The appointing authority is not stated in the sources read.
The centralized collection agency for past due assessed taxes administered by Treasury and for delinquent non-tax debts owed to state agencies; also processes writs of garnishment against state tax refunds. sourcePublic record
Not confirmed: The Taxpayer Advocate is not named on the pages read.; Treasury's Contact Us page gives no hours for the tax phone lines; the directory's Monday to Friday, 8:00am to 5:00pm ET hours are for the Treasurer's office.
Michigan Department of Labor and Economic Opportunity, Unemployment Insurance AgencyDirector, Labor and Economic Opportunity: Susan Corbin2 people, 7 contact routes
The Unemployment Insurance Agency, part of the Department of Labor and Economic Opportunity (LEO), registers employers, sets UI tax rates and collects UI tax and wage reports, and handles employer protests and appeals, through the MiWAM account system.
How to reach it
For employers
Office of Employer Ombudsman (OEO)1-855-484-2636, Option 4Monday - Friday, 8 a.m. to 5 p.mAnswers employer questions about benefits eligibility, protests and appeals, employer accounts and other unemployment and tax questions. UIA lists no separate practitioner or third-party agent line.sourcePublic record
MiWAM message to UIA MiWAM account home page: I want to..., then Send Unemployment a message Offered as the written alternative to calling the Office of Employer Ombudsman.sourcePublic record
Tax Status Unit (registration, liability, transfers)EmployerLiability@Michigan.govPhone 855-484-2636 option 4. For registering a new business, sale or transfer of a business and tax status protests.sourcePublic record
Tax Maintenance Unit (tax rates, wage base, 940 certification)TaxSupport@Michigan.govPhone 855-484-2636 option 4.sourcePublic record
Tax Collections and Tax Enforcement Units855-484-2636 option 5Assessments, payment plans, levies and garnishments, federal tax intercepts. Fax 517-763-0223.sourcePublic record
UIA Advocacy Program (protest hearings)1-800-638-3994No-cost help for qualifying claimants and employers with hearings before an Administrative Law Judge; request no later than two business days before the hearing. Email UIAAdvocacy@Michigan.gov.sourcePublic record
General
UIA customer service1-866-500-0017Monday - Friday, 8 a.m. to 4:30 p.m.Mainly for claimants; employers are pointed to the Office of Employer Ombudsman.sourcePublic record
Who leads it
Answers to the governor
Director, Labor and Economic Opportunity
Susan Corbin
A single executive heading a principal department is appointed by the governor with the advice and consent of the senate and serves at the governor's pleasure, unless otherwise provided (Michigan Constitution, Art. V, sec. 3). Corbin has been with the department since its creation in August 2019.
Heads LEO, whose bureaus and agencies include the Unemployment Insurance Agency, the Workers' Disability Compensation Agency and workforce development programs. sourcePublic record
Director, Unemployment Insurance Agency
Jason Palmer
Agency position. The appointing authority is not stated in the sources read.
Heads the Unemployment Insurance Agency, which runs Michigan's UI tax and benefit programs for employers and claimants. sourcePublic record
Not confirmed: No general correspondence mailing address for UIA employer tax was found on the pages read.; The UIA Director's biography page is out of date; his start date was not confirmed.; Heads of the UIA Tax and Employer Services Division and of the Office of Employer Ombudsman are not named on the pages read.
Michigan Department of Licensing and Regulatory Affairs (LARA)Director: Marlon I. Brown, DPA2 people, 4 contact routes
Michigan's business filing office is LARA's Corporations Division, in the Corporations, Securities and Commercial Licensing Bureau: it forms and registers corporations, LLCs and partnerships and collects the annual reports that list each entity's resident agent and registered office.
How to reach it
For businesses
Corporations Division (business services, document review, trademarks)517-241-6470The same number is listed for Business Services, Document Review and Trademarks.sourcePublic record
Corporations Division (mail) Corporations, Securities & Commercial Licensing, Corporations Division, PO Box 30054, Lansing, MI 48909 Overnight mail goes to 2407 N. Grand River Ave., Lansing, MI 48906, through the State mail center.sourcePublic record
Corporations Division office Corporations, Securities & Commercial Licensing, 1st Floor, 2407 N. Grand River Ave., Lansing, MI 48906 The Hours and Directions page gives the location and driving directions but no opening hours in its readable text.sourcePublic record
Who leads it
Answers to the governor
Director
Marlon I. Brown, DPA
Appointed by Governor Gretchen Whitmer on February 23, 2024. Under the Michigan Constitution (Art. V, sec. 3) a single executive heading a principal department is appointed by the governor with the advice and consent of the senate unless otherwise provided.
Leads the agency responsible for licensing and regulating nearly two million individuals and entities, including business entity filings through the Corporations Division. sourcePublic record
Director, Corporations, Securities and Commercial Licensing Bureau
Linda Clegg
Department position. The appointing authority is not stated in the sources read.
Heads the bureau that contains the Corporations Division, along with the Securities and Audit, Licensing and Regulatory Compliance divisions. sourcePublic record
Not confirmed: The Corporations Division's own director is not named on LARA's leadership page, which stops at bureau level.; Corporations Division office hours were not found in the page text.
Michigan Department of Health and Human ServicesDirector: Amy Epkey (acting)2 people, 4 contact routes
Its Office of Child Support (OCS) takes employers' new hire reports through the Michigan New Hires Operation Center; withheld child support payments go to the Michigan State Disbursement Unit (MiSDU).
How to reach it
For employers
Michigan New Hires Operation Center(800) 524-9846Employers report new hires to the Office of Child Support through this center.sourcePublic record
Michigan New Hire Reporting portalmi-newhire.comLinked from the department's child support page as the portal for new hire reporting. The portal is a JavaScript application; its own contact details could not be read.sourcePublic record
MiSDU Employer Assistance Line1-800-817-0805For remitting withheld child support payments to the Michigan State Disbursement Unit.sourcePublic record
General
Department mailing address Michigan Department of Health and Human Services, 333 S. Grand Ave, P.O. Box 30195, Lansing, Michigan 48909 Monday - Friday, 8 a.m. - 5 p.m. ETDepartment headquarters; main phone 517-241-3740.sourcePublic record
Who leads it
Answers to the governor
Director Acting
Amy Epkey
Acting Director. Under the Michigan Constitution (Art. V, sec. 3) a single executive heading a principal department is appointed by the governor with the advice and consent of the senate unless otherwise provided; no permanent appointment was found.
Heads the Department of Health and Human Services, which includes the Office of Child Support. sourcePublic record
Director, Office of Child Support
Not confirmed
Department position. The appointing authority is not stated in the sources read.
Heads the Office of Child Support, which receives new hire reports through the Michigan New Hires Operation Center. sourcePublic record
Not confirmed: The Office of Child Support director and its place in the department's structure are not published on the pages read.; The New Hires Operation Center's hours, fax and mailing address are on the JavaScript portal and could not be read.; The Director of Health and Human Services is acting.
Michigan Department of Technology, Management and BudgetDirector, DTMB: Kyle Guerrant (acting)2 people, 3 contact routes
DTMB mailing address Elliott-Larsen Building, 2nd Floor, 320 S. Walnut Street, P.O. Box 30026, Lansing, MI 48909 sourcePublic record
Who leads it
Answers to the governor
Director, DTMB Acting
Kyle Guerrant
Acting Director, appointed to the post in January 2026. Under the Michigan Constitution (Art. V, sec. 3) a single executive heading a principal department is appointed by the governor with the advice and consent of the senate unless otherwise provided.
Heads the agency that provides information technology, business and administrative services to state agencies and employees, residents, businesses and retirees. sourcePublic record
Chief Information Officer, State of Michigan Acting
Eric Swanson
Acting Chief Information Officer, appointed in 2026; also director of DTMB's Center for Shared Solutions.
Directs the state's technology and security efforts. sourcePublic record
Not confirmed: DTMB's Director and the State CIO are both acting.
Employer account numbers
Checked Oct 24, 2026.
Two agencies issue Michigan employer numbers: the Department of Treasury, which files withholding (with sales and use tax) under the business's federal EIN or a Treasury Registration (TR) number, and the Department of Labor and Economic Opportunity's Unemployment Insurance Agency (UIA). Treasury also administers City of Detroit income tax withholding; its EFT instructions take Detroit withholding payments under the same taxpayer identification field with Detroit tax type codes. Michigan has no state paid family or medical leave or disability insurance program with its own employer account.
Tax
Number
Layout
Issued by
How you get it
Where to find it
Source
Income tax withholding
Business Account Number (FEIN or TR Number) The same account number is used for sales, use and withholding taxes, which are filed together on Form 5080 (Business Account Number, FEIN or TR Number).
999999999 The federal EIN (9 digits). A business without an FEIN receives a Treasury Registration (TR) number; Treasury's EFT instructions describe Treasury-assigned numbers as "TR....", to be entered with the hyphen, in a 9-character field. sourcePublic record
Internal Revenue Service (the FEIN) or Michigan Department of Treasury (a TR number); used by the Michigan Department of Treasury
Register for Michigan business taxes online through eRegistration in Michigan Treasury Online (MTO), which requires an FEIN and is authenticated within 10 to 15 minutes, or on paper Form 518, allowing 4 to 6 weeks. A business without an FEIN mails Form 518 and receives a TR number by U.S. mail in 4 to 6 weeks.
Treasury discontinued its ME numbers on December 31, 2014; from tax year 2015 business taxes are filed under the FEIN, while ME numbers still apply to returns for 2014 and earlier. The pattern is the 9-digit FEIN; the full layout of a TR number is not published beyond the "TR" prefix and the hyphen. The LARA (Corporations Division) number is a different number.
9999999 7 digits in MiUI. UIA's FAQ says that in MiWAM the EAN was 10 digits, the last three a location code, and that the MiUI EAN is the first seven digits of the MiWAM EAN.
Michigan Department of Labor and Economic Opportunity, Unemployment Insurance Agency
Create a MiLogin for Business account and register in MiUI; after registering for the first time, and if there are no further questions, the employer receives its EAN.
UIA's account initiation job aid says the EAN is shown on the UI Tax Homepage and on the Accounts page; the MiWAM EAN displays as 10 digits, and the first 7 are used to activate MiUI, entered without dashes or spaces. MiUI launched for employers on February 23, 2026; benefits functionality, including SIDES, is scheduled to launch in MiUI on November 9, 2026, and SIDES work stays in MiWAM until then. In MiUI, reporting units (secondary locations, subsidiaries) are stored separately, so the 7-digit EAN no longer carries the 3-digit location code, and an account keeps the same EAN when its status changes (contributing, reimbursing, terminated, reactivated). UIA says the MiWAM file format will no longer be accepted, so wage file processes must change. Activating MiUI for an existing account also took an 8-digit activation code from MiWAM, which is not the account number. Third-party administrators get their own MiUI TPA ID.
Checked Nov 3, 2026. Michigan Department of Labor and Economic Opportunity, Unemployment Insurance Agency (UIA)
For 2026 Michigan's taxable wage base is $9,000, or $9,500 for delinquent employers, and experience rates run from 0.06% to 12.2%, according to the U.S. Department of Labor's summary of state laws effective July 2026; UIA's own site blocks automated requests, and its 2027 figures were not read. New employers pay 2.7% for their first two years under the statute's Table A, and new construction employers pay the average construction rate for their first four years. An obligation assessment applies only in years when the state's UI bonds are outstanding; whether any are outstanding now was not confirmed.
Taxable wage base
2027: not published 2026: $9,000 Not indexed. MCL 421.44(4): $9,500 for calendar years from 2012; for years from 2016, if the unemployment compensation fund balance on June 30 of the preceding year is at least $2.5 billion and is projected to stay there for the next quarter, the limit for the year drops to $9,000 for employers not delinquent in contributions, penalties or interest. Otherwise $9,500 applies to all employers.sourcePublic record
New employer rate
2026: 2.7% Statute: 2.7% in years 1 and 2 of contribution liability (Table A; Tables A-1 and A-2 also start at 2.7%), then a blend with the employer's chargeable benefits component in years 3 and 4. A new construction employer pays the average rate of construction employers, by contractor type, for its first 4 years (MCL 421.19(a)(1)(ii)). DOL's July 2026 summary also lists 2.70% as the new employer base rate.sourcePublic record
Rate range
2026: 0.06% to 12.2% From DOL's Significant Provisions of State UI Laws, effective July 2026 (type primary): experience rated employers only, not including surtaxes, penalties or surcharges. UIA's rate pages could not be read.sourcePublic record
Other assessments
Unemployment obligation assessment: Set by the State Treasurer, applied against the taxable wage limit, only in a year in which any UI bond obligation is outstanding (MCL 421.26a). Current status not confirmed. sourcePublic record
Solvency tax: Charged to employers past their first 4 years whose experience account was negative on June 30, when the fund owes interest bearing federal advances or state treasury advances (MCL 421.19a). No UIA statement on it for 2026 or 2027 was read. sourcePublic record
Rate notices
Not later than 6 months after the June 30 computation date, that is, by December 31 (MCL 421.21 and 421.18).. Protest: Request review within 30 days after the notice is mailed (MCL 421.32a); an employer is given a 30-day extension on request (MCL 421.21). sourcePublic record
Voluntary contributions
Allowed, A payment made within 30 days after UIA mails the notice of the adjusted contribution rate is credited as of the computation date and the rate is adjusted (MCL 421.19(d)). Payments are irrevocable. sourcePublic record
Filing
Electronic filing: All employers must file quarterly wage reports by an electronic method approved by UIA (phased in for 2013 to 2015 by employer size; the director may grant more time for hardship), MCL 421.13(2). sourcePublic record
FUTA credit reduction
None. No outstanding federal advance: the Treasury's Title XII table for November 2, 2026 lists only California and Texas. Michigan's last credit reductions were 0.6% for 2010 and 0.9% for 2011; it is not on DOL's potential 2026 list. sourcePublic record
Every michigan.gov page and PDF tried (UIA employer pages, MiUI University FAQ, job aid PDF) returned 403 Access Denied to curl on 2026-11-03, so this file rests on the Michigan Employment Security Act at legislature.mi.gov, DOL's Significant Provisions of State UI Laws (effective July 2026) for the 2026 wage base and rate range, and federal loan data. The site's tax ID data (data/taxids/michigan.json) records that employers moved from MiWAM to MiUI on February 23, 2026; that was not re-read here.
Not confirmed: 2027 taxable wage limit ($9,000 or $9,500 for non-delinquent employers), rate range and new employer figures: needs UIA's tax rate page (blocked to curl) or DOL's next summary. The 2026 figures rest on DOL's July 2026 summary only; check them against UIA's own page in a browser. Obligation assessment: whether any obligation under MCL 421.26a is outstanding and the rate, if any, for 2026 and 2027. Needs a UIA or Treasury source. Quarterly report form name, due dates and the current employer portal (MiUI): from UIA pages, blocked to curl. Whether the obligation assessment or solvency tax counts toward the FUTA credit: not found.
Michigan withholds 4.25% for 2026 on compensation after prorated personal exemptions ($5,900 a year), and employees file Form MI-W4; the federal W-4 cannot replace it. Bonuses paid separately are withheld at a flat 4.25%. Michigan has reciprocal agreements with Illinois, Indiana, Kentucky, Minnesota, Ohio and Wisconsin, and cities that adopt the Uniform City Income Tax Ordinance levy an income tax employers withhold.
Withholding certificate
Form MI-W4, Employee's Michigan Withholding Exemption Certificate. Federal Form W-4: not accepted: the federal W-4 cannot be used in place of the MI-W4. Employers obtain an MI-W4 from each employee; employers send Treasury copies of certain MI-W4s, including those claiming exemption. With no certificate on file: If an employee does not replace an invalid certificate, withhold on total compensation based on zero exemptions (a prior valid certificate stays in effect). An employee who expects no Michigan tax liability, or a resident of a reciprocal state, claims exemption on the MI-W4. sourcePublic record
Supplemental wages
2026: 4.25%. Bonuses and other payments made separately from regular payroll are withheld at 4.25 percent, with no adjustment for exemptions.sourcePublic record
Agreements with Illinois, Indiana, Kentucky, Minnesota, Ohio, Wisconsin. From Michigan Treasury's 2026 withholding guide (Form 446). Employers in those states may voluntarily register to withhold Michigan tax from Michigan residents who work there.sourcePublic record
Returns and reports are made in the form and at the times Treasury prescribes (MCL 206.711(2)); the annual reconciliation, MI-W3, is due January 31 (see data/inforeturns/michigan.json). Treasury may require returns and payments at other than monthly periods (MCL 206.705). Treasury sets each employer's filing frequency; returns and payments are filed on Michigan Treasury Online (MTO), with an annual return (Form 5081). Michigan Treasury Online (MTO)sourcePublic record
City income tax under the Uniform City Income Tax Ordinance (City Income Tax Act, 1964 PA 284); in a city with a population of more than 600,000 the rate may be up to 2.40 percent on residents and 1.20 percent on nonresidents.: Levied by each city that adopts the ordinance; employers withhold and file the annual reconciliation of quarterly returns with the city or with the Department of Treasury, by the last day of February. sourcePublic record
Michigan Reciprocal agreement (6) No wage income tax No agreement An employee who lives in one of these states and works in the other pays income tax only to the home state, and can ask the employer not to withhold for the work state. Click a state for its withholding rules.
Recent and coming changes
Jan 1, 2026 No formula reduction for tax year 2026: the rate stays 4.25 percent under MCL 206.51(1)(c). sourcePublic record
michigan.gov returned Access Denied (HTTP 403) to every request, so this entry rests on the Michigan Compiled Laws, the Treasurer's rate letter and other states' publications. Annual W-2 filing is in data/inforeturns/michigan.json.
Not confirmed: Which cities levy the income tax, their rates, and which city taxes Treasury administers are not confirmed from Treasury's city income tax pages. No Michigan nonresident day or wage threshold, and no convenience of the employer rule, was found in the statutes read.
Credits for other states' taxes and part-year residents
Checked Nov 3, 2026
Michigan gives residents a credit for income tax imposed by another state, a political subdivision of another state, the District of Columbia or a Canadian province on income from outside Michigan, limited to the Michigan tax on the doubly taxed income (MCL 206.255). A part-year resident's taxable income is determined separately for each status, and while a nonresident only income allocated to Michigan under MCL 206.110 is taxed, so the nonresident period is handled by allocation. Michigan has reciprocity but no reverse credit, and is a sovereignty member of the Multistate Tax Commission.
Residents: credit for tax paid to other states
Limit: The lesser of the other jurisdiction's income tax and the Michigan tax liability before credits times the ratio of income taxed both in Michigan and in the other jurisdiction to taxable income. Covers: Income tax imposed by another state, a political subdivision of another state, the District of Columbia, or a Canadian province, on income from sources outside Michigan that Michigan also taxes. Yes: income tax imposed by a political subdivision of another state qualifies. Foreign taxes: Canadian provinces only: the credit covers only the part of the provincial tax not claimed as a federal credit (Canadian federal tax is presumed claimed first), and provincial tax taken as a carryover deduction does not qualify. No other foreign taxes are named. MCL 206.255. sourcePublic record
Part-year residents: income while a nonresident
Allocated or prorated When an individual becomes a nonresident during the year or the reverse, taxable income is determined separately for each status. For the nonresident period, taxable income is allocated to Michigan only to the extent earned, received or acquired in the ways MCL 206.110(2) lists, such as personal services performed in Michigan or business activity conducted in Michigan. sourcePublic record
Part-year residents: credit for the period of residence
For the resident period, all taxable income is allocated to Michigan subject to section 255 (the credit), which suggests the credit applies to resident-period income; the Treasury form and instructions confirming this were not read. sourcePublic record
Nonresidents: reverse credit
No. The credit in MCL 206.255 is for residents. For nonresidents Michigan instead may enter reciprocal agreements exempting personal service income where the other state does the same (MCL 206.256); other nonresident income allocated to Michigan is taxed. sourcePublic record
Local income taxes
The state credit covers income tax imposed by political subdivisions of other states. How Michigan's own city income taxes give credit is not covered here. sourcePublic record
Statutory resident: an individual who lives in Michigan at least 183 days during the tax year (or more than half the days of a short year) is deemed a resident domiciled in Michigan. sourcePublic record
Domicile is the true, fixed and permanent home to which the individual intends to return, and it continues until another permanent establishment is set up. sourcePublic record
Reciprocity (Illinois, Indiana, Kentucky, Minnesota, Ohio, Wisconsin) and city income taxes are covered on the withholding page. The facts here are from the statute only: Treasury's forms and instructions on michigan.gov returned 403 to automated reads.
Not confirmed: Form and line for the resident credit not confirmed (expected on the MI-1040; michigan.gov returned 403). Part-year and nonresident schedule (expected Schedule NR) and its lines not confirmed (michigan.gov returned 403). Whether the credit covers another state's pass-through entity tax paid on a resident's share, and what must be attached, not confirmed. Credit rules under the Uniform City Income Tax Ordinance for Michigan cities not researched. UDITPA or Compact apportionment status not researched from a primary source.
C corporations file the corporate income tax annual return by the last day of the fourth month after the tax year ends (April 30, 2026 for calendar 2025); a copy of the federal extension with a tentative return and estimated payment extends filing to the last day of the eighth month after the original due date. S corporations and partnerships are flow-through entities, not corporate income tax taxpayers, and file no separate Michigan entity return unless they elect the flow-through entity tax. Corporations file an annual report by May 15 ($25, $10 a month late up to $50), LLCs an annual statement by February 15 ($25) and nonprofit corporations an annual report by October 1 ($20); the fees drop after September 30, 2027, and two years of not filing dissolves a domestic corporation.
Corporate return
Corporate income tax. Corporate income tax annual return. Due: By the last day of the fourth month after the end of the taxpayer's tax year. For tax year 2025: Apr 30, 2026. Fiscal years: The same rule applies to every tax year end. A taxpayer with apportioned or allocated gross receipts under $350,000 does not need to file a return or pay the tax. sourcePublic record
Corporate extension
Federal extension accepted. Filing a copy of the federal extension request with a tentative return and estimated tax payment by the original due date extends the return to the last day of the eighth month after the original due date (December 31, 2026 for a calendar 2025 return). Treasury may also extend on application for good cause. A copy of the federal extension request with a tentative return (Treasury's form page could not be read). Final liability is due by the original due date, excluding any extension; the estimated tax must be paid with the extension request, and interest is added to tax unpaid during the extension.
S corporations
None: S corporations are flow-through entities, and the corporate income tax applies to C corporations (MCL 206.605 and 206.607). sourcePublic record
Partnerships
No partnership return required. None: partnerships, LLPs and LLCs taxed as partnerships are flow-through entities, not corporate income tax taxpayers (MCL 206.607 and 206.611). An entity that elects the flow-through entity tax files that return (see the pass-through entity tax page). sourcePublic record
Individuals
Individual income tax return. For tax year 2025: Apr 15, 2026. A copy of a federal extension automatically extends the Michigan due date for an equivalent period, with the estimated tax due remitted with it; without one, Treasury may extend on application, with the estimated tax due paid before the original due date. Interest and penalties run on tax unpaid during the extension. sourcePublic record
Annual report
Filed with the Michigan Department of Licensing and Regulatory Affairs (LARA), Corporations Division through MiBusiness Registry Portal.
Who files
Report
How often
Due
Fee
Late fee
If not filed
Corporations, Foreign entities
Annual report (domestic and foreign profit corporations) sourcePublic record
Every year
No later than May 15 of each year.
$25 before October 1, 2027; $15 if paid after September 30, 2027
$10 for each month or part of a month delinquent, not to exceed $50
A domestic corporation that has not filed for 2 years from the due date is automatically dissolved 60 days after the 2-year period; a foreign corporation's certificate of authority is subject to revocation after 1 year.
LLCs, Foreign entities
Annual statement (domestic and foreign LLCs) sourcePublic record
Every year
No later than February 15 of each year; an LLC formed (or a foreign LLC authorized) after September 30 skips the February 15 immediately after.
$25 through September 30, 2027; $15 if paid after September 30, 2027
Nonprofits, Foreign entities
Annual report (domestic and foreign nonprofit corporations) sourcePublic record
Every year
Not later than October 1 of each year; not required in the year of incorporation or authorization if formed or authorized on or after January 1 and before October 1.
$20 before October 1, 2027; $10 if paid after September 30, 2027
A domestic corporation that has not filed for 2 years from the due date is automatically dissolved 60 days after the 2-year period; a foreign corporation's certificate of authority is subject to revocation after 1 year.
Fees are from MCL 450.2060 (profit corporations), 450.3060 (nonprofit corporations) and 450.5101 (LLCs). The LLC fee section also lists a $50 certificate of restoration of good standing. The site's start-up step says limited partnerships and LLPs do not file and cites LARA's annual report page, which refused automated reads on this run.
Recent and coming changes
Oct 1, 2027 Annual filing fees drop for filings paid after September 30, 2027: LLC annual statement from $25 to $15, profit corporation annual report from $25 to $15, nonprofit corporation annual report from $20 to $10. sourcePublic record
Treasury's and LARA's pages on michigan.gov returned 403 to automated requests, so this file cites the Michigan Compiled Laws. The flow-through entity tax is covered separately.
Not confirmed: Corporate income tax form number (Form 4891) and extension form (Form 4) from Treasury's 2025 CIT instructions: michigan.gov refused automated reads. LLC annual statement late penalty and the consequence of not filing (the site's start-up step cites LARA for a $50 penalty and a two-year grace period); not found in the LLC Act sections read. Professional LLC annual statement fee ($75 on the site's start-up step) and the nonprofit late penalty, from LARA's annual report page. Confirmation from LARA that limited partnerships and LLPs file no annual report. Individual return form number (MI-1040) and Treasury extension form, from Treasury pages that refused automated reads.
Michigan's Revenue Act and General Sales Tax Act require sales and use taxpayers with $720,000 or more of liability in the prior calendar year to make accelerated payments by electronic funds transfer, and employers that withheld an average of $40,000 or more a month to deposit withholding on the federal schedule; Treasury's own e-payment pages could not be read. Failing to file or pay on time costs 5% of the tax for the first two months plus 5% for each further month, up to 25%, plus interest. Interest is 1 percentage point above the adjusted prime rate, reset January 1 and July 1; the current figures are in Treasury bulletins on michigan.gov, which refused automated reads.
Interest on unpaid tax
Period
Applies to
Underpayments
Refunds
Jan 1, 2027 to Jun 30, 2027
All taxes
7.77% a year
same
Jul 1, 2026 to Dec 31, 2026 now
All taxes
7.85% a year
same
Jan 1, 2026 to Jun 30, 2026
All taxes
8.48% a year
same
1 percentage point above the adjusted prime rate (the average prime rate charged by at least 3 commercial banks, as determined by Treasury), divided by 12 to give a monthly rate. The rate based on the 6 months ending March 31 takes effect July 1; the rate based on the 6 months ending September 30 takes effect January 1. Refunds earn the same rate starting 45 days after the claim or the return due date, whichever is later; individual income tax refunds paid late also earn a separate 3% a year. MCL 205.23(2) and 205.30. sourcePublic record
When tax must be paid electronically
Sales and use: Total tax liability of $720,000.00 or more in the immediately preceding calendar year (accelerated payments: 75% of the prior month's liability or of the same month of the prior year, whichever is less, plus a reconciliation payment, by the 20th). Methods: An electronic funds transfer method approved by the department; a single EFT payment may include use tax. sourcePublic record
Withholding: An average of $40,000.00 or more per month in income tax withholding in the immediately preceding calendar year: deposit in the same manner and on the same schedule as federal withholding deposits, or another manner the department approves. Methods: Same manner as federal income tax withholding deposits, or a manner approved by the department. Penalty for paying another way: 0.167% of the tax for each day the failure to pay on time continues, to a maximum of 25% (notices of intent to assess issued after February 28, 2003). sourcePublic record
Penalties
Late filing
Covers: Taxes administered under the Revenue Act (1941 PA 122), including income, corporate income, sales, use and withholding taxes. 5% of the tax if the failure to file or pay is for not more than 2 months, plus 5% for each additional month or fraction during which the failure continues or the tax and penalty are not paid (notices of intent to assess issued after February 28, 2003). Interest is added from the due date until paid. Maximum: 25%. MCL 205.24(2). sourcePublic record
Late payment
Covers: Taxes administered under the Revenue Act. The same penalty as for late filing: 5% for the first 2 months, plus 5% for each additional month or fraction. Maximum: 25%. MCL 205.24(2) imposes one penalty when a taxpayer fails or refuses to file a return or pay a tax; it is not stated as two separate penalties. MCL 205.24(2). sourcePublic record
Estimated tax, individuals
Charged as both. A deficiency in an estimated payment is treated as tax due and bears interest at the MCL 205.23 rate from the due date until paid; the MCL 205.24 penalty can also apply, but not when no estimated payments were required in the immediately preceding tax year. Safe harbor: Estimated payments are required when the annual tax is expected to exceed withholding and credits by more than $500; installments, crediting and the underpayment period are figured in the same manner as under the Internal Revenue Code (Treasury's stated percentages were not read). sourcePublic record
Estimated tax, corporations
Charged as both. Interest at the MCL 205.23 rate on the deficiency, and the MCL 205.24 penalty. Safe harbor: Corporate income tax estimates are required when liability is expected to exceed $800. No interest or penalty if estimated payments total at least 85% of the liability and each reasonably approximates the quarter's liability, or if the prior year's liability was $20,000 or less and four equal installments totaling the prior year's liability were paid. Federal annualized or adjusted seasonal installment methods may be used. sourcePublic record
Penalty relief
The failure to file or pay penalty is waived when the taxpayer shows the failure was due to reasonable cause and not willful neglect; the negligence penalty is waived when the deficiency was due to reasonable cause. sourcePublic record
Other penalties
Negligence. $10.00 or 10% of the deficiency, whichever is greater, plus interest; waived for reasonable cause. sourcePublic record
Intentional disregard of the law or rules. $25.00 or 25% of the deficiency, whichever is greater, plus interest. sourcePublic record
Fraud. 100% of the deficiency, plus interest. sourcePublic record
Failure to file an information return or informational report. $10.00 a day for each separate failure, up to $400.00 for each. sourcePublic record
Payment not made with a negotiable remittance (dishonored payment). $50.00 (notices of intent to assess issued after February 28, 2003). sourcePublic record
Large withholding depositor paying late. 0.167% of the tax a day, up to 25%. sourcePublic record
All facts here come from the Michigan Compiled Laws on legislature.mi.gov; Treasury's pages on michigan.gov returned Access Denied. Treasury announces each half-year interest rate in a Revenue Administrative Bulletin; none could be read, so the rates list is empty.
Not confirmed: Treasury's e-payment requirements, accepted methods and any penalty for paying by another method were not read. The individual (MI-2210) and corporate estimated tax underpayment forms and Treasury's safe harbor percentages were not read. Treasury's penalty waiver request process and any first-time abatement policy were not read.
Michigan's Treasury gives disaster relief one event at a time, including for disasters only the Governor declares, and the relief is not automatic: taxpayers in the named counties request more time, with penalties and interest waived. The July 2026 flooding relief ran to August 6, 2026 and did not cover federal or city income tax.
When the IRS postpones deadlines
Announces relief case by case Treasury issues a taxpayer notice for each disaster, including disasters the Governor declares; for the July 2026 flooding it offered filing and payment extensions with penalties and interest waived, on request. MCL 206.311(4) and (5). sourcePublic record
Taxes covered
Applicable state tax filing and payment deadlines in the relief period, for example business quarterly estimated payments and monthly or quarterly sales and use tax returns (July 2026 notice). Not covered: Federal and city income tax deadlines. sourcePublic record
State-declared disasters
Yes: the July 2026 relief followed the Governor's state of emergency for Antrim, Cheboygan and Emmet counties. sourcePublic record
How to get relief
Not automatic: affected taxpayers contact Treasury to request relief. Penalties: Penalties and interest waived for the extended period (July 2026 notice). sourcePublic record
data/disasters.json already notes Michigan's April 2026 relief covered deadlines through April 30, 2026.
Not confirmed: Search result titles suggest Treasury issues a notice per disaster, for both federal declarations and governor emergency declarations, with relief by request; unverified. Any statute or bulletin giving Treasury authority to postpone deadlines for a disaster.
From the IRS's own statistics: the Data Book for fiscal 2025 and Statistics of Income for tax year 2023. Every state
$111.9Bfederal tax collected, fiscal 2025, 2.1% of the U.S.
7,400,370federal returns filed, fiscal 2025
$12.9Brefunded, fiscal 2025
$81,709average income (AGI) per individual return, 2023
53.8%of individual returns signed by a paid preparer, 2023
93.9%of individual returns e-filed, 2023
Collected by type: Individual income tax withheld and FICA tax $80.7B; Individual income tax payments and SECA tax $21.7B; Business income taxes $6.7B; Estate and trust income tax $1.4B; Excise taxes $733M; Estate tax $466M; Unemployment insurance tax $207M; Gift tax $27M; Railroad retirement tax $14M. sourcePublic record
Filers moving in and out, 2022 to 2023
71,800 returns (119,409 people) with $5.3B of income moved in from other states; 80,570 returns (127,851 people) with $6.3B moved out, a net loss of $1.0B in income. sourcePublic record
Checked Nov 3, 2026. Michigan Department of Labor and Economic Opportunity
Michigan's minimum wage is $13.73 an hour from January 1, 2026, and $15.00 from January 1, 2027, steps set by the Improved Workforce Opportunity Wage Act as amended by 2025 PA 1. From 2028 the state treasurer adjusts it each year for Midwest CPI-U inflation. The tipped wage is a rising share of the minimum: 40% in 2026 ($5.49) and 42% in 2027 ($6.30), reaching 50% in 2031, and cities may not set their own higher minimum.
Rate
$13.73 from Jan 1, 2026 $15.00 from Jan 1, 2027 sourcePublic record
How it is set
Scheduled steps in law: Steps in statute through 2027; from January 1, 2028 the rate rises each year by the 12 month increase in the Consumer Price Index for the Midwest region (CPI-U). No increase takes effect if Michigan's unemployment rate for the prior year is 8.5% or more.. Announced: The state treasurer calculates the adjustment each October, starting October 2027, and publishes it by November 1; effective the next January 1MCL 408.934 (Improved Workforce Opportunity Wage Act, 2018 PA 337, as amended by 2025 PA 1)sourcePublic record
Other rates
The act covers employers of 2 or more employees at any one time in a calendar year (2026) sourcePublic record
Tipped employees
2026: cash wage $5.49, tip credit $8.24 40% of the minimum wage ($5.492, computed from the statute). The employee must be told of the tipped wage provisions in writing at hire and give written consent, and tips must equal the difference. 2027: cash wage $6.30, tip credit $8.70 42% of the minimum wage (computed from the statute); the share rises 2 points a year to 50% on January 1, 2031.sourcePublic record
Youth and training wages
$4.25. Training wage for new employees under 20 for their first 90 days; otherwise employees under 18 get 85% of the minimum wage ($11.67 in 2026 and $12.75 in 2027, computed). sourcePublic record
Local minimum wages
Not allowed: state law preempts them sourcePublic record
Recent and coming changes
Feb 21, 2025 2025 PA 1 amended the act after the Michigan Supreme Court's Mothering Justice decision revived the 2018 initiative: $12.48 from February 21, 2025, $13.73 in 2026, $15.00 in 2027, and the tipped share rising from 38% to 50% by 2031. sourcePublic record
Jan 1, 2028 First annual inflation adjustment by the state treasurer, published by November 1, 2027. sourcePublic record
Tipped and under 18 amounts are computed from the statute's percentages; the Department's published rate table could not be read.
Not confirmed: michigan.gov (LEO Wage and Hour Division pages and documents) returned 403 Access Denied to the script, so the Department's own 2026 and 2027 rate table, the rounded tipped and minor rates, and the required poster were not checked. Required minimum wage poster name and link: not confirmed (michigan.gov blocked). Whether Michigan sets a salary threshold for exempt employees above the federal level: not checked (Michigan rules not fetched).
Michigan has no state paid family and medical leave or temporary disability insurance program funded by payroll contributions, so there is no rate, wage base, split or employer filing for 2026 or 2027. The Earned Sick Time Act (Act 338 of 2018; MCL 408.963) requires employers to provide paid earned sick time (accrued at 1 hour per 30 hours worked, with use capped at 40 hours a year for a small business and 72 hours for other employers unless the employer allows more); it is a leave requirement on employers, not an insurance program.
No paid leave or disability insurance employer account appears in this site's employer ID research for the state (withholding with the Department of Treasury, unemployment insurance with the UIA).
Not confirmed: No Michigan agency page read states that Michigan has no paid family leave insurance program; status none rests on the absence of any program. michigan.gov (LEO's earned sick time page) returned 403, so the Act was read at legislature.mi.gov. The U.S. Department of Labor Women's Bureau paid leave page names New Hampshire, Vermont and Virginia as the states with voluntary paid family or medical leave insurance programs, but it lists the states with mandatory programs only on an interactive map that could not be read as text.
Michigan's Earned Sick Time Act (MCL 408.961 to 408.974), the 2018 initiated law revived by the Michigan Supreme Court and amended by 2025 PA 2, has required paid sick time since February 21, 2025: 1 hour per 30 hours worked, with use up to 72 hours a year, or 40 hours at a small business of 10 or fewer (small businesses from October 1, 2025). State law bars local leave ordinances, and Michigan has no state family and medical leave law, relying on the federal FMLA. Vacation payout at separation follows the employer's written contract or policy.
Every employer with 1 or more employees, including government entities; the United States government is excluded. A small business (10 or fewer people working for pay in a given week, and not more than 10 on payroll in 20 or more workweeks of the current or prior year) has a 40-hour use limit and did not have to provide paid time until October 1, 2025. A small business that had no employee on or before February 21, 2022 need not comply until 3 years after it first employs someone.
Employees not covered
Excluded: federal government employees; individuals who schedule their own hours under an employer policy that bars adverse action for not scheduling a minimum; unpaid trainees and interns; minors employed under the youth employment standards act.
How it builds up
At least 1 hour per 30 hours worked, not counting hours used as paid time off
Yearly cap
Use may be limited to 72 hours a year (40 hours at a small business) unless the employer sets a higher limit; carryover of up to 72 hours (40 at a small business) is required.
Front-loading
The employer may give at least 72 hours (40 at a small business) at the start of the year for immediate use, and then need not allow carryover, track accrual or pay out unused time at year end. Part-time employees may be front-loaded in proportion to expected hours under a written notice at hire.
When use can start
The employer may require employees hired after February 21, 2025 to wait 120 calendar days after starting work before using accrued time.
Carryover
Up to 72 hours (40 at a small business) carries over each year, unless the employer front-loads.
Allowed uses
The employee's or a family member's illness, injury, health condition, diagnosis, treatment or preventive care; needs arising from domestic violence or sexual assault of the employee or a family member; meetings at a child's school or place of care about the child's health or disability or the effects of such violence; public health emergency closures and communicable disease exposure. Family members include children, parents of the employee or of the employee's spouse or domestic partner, spouse or domestic partner, grandparents, grandchildren, siblings, blood relatives and people whose close association is equivalent to family.
Notice and documentation
For foreseeable use, advance notice of no more than 7 days. For unforeseeable use, as soon as practicable or under the employer's written notice policy given to the employee. For more than 3 consecutive days the employer may require reasonable documentation, provided within 15 days of the request, and must pay the employee's out-of-pocket costs of getting it. Use in 1-hour increments or the employer's smallest increment.
At the end of employment
Not required at separation. An employee rehired within 2 months gets unused time reinstated, unless the employer paid it out at separation.
PTO policies
Yes. An employer complies if it gives paid time off in at least the same amounts that may be used for the Act's purposes or any purpose; the Act's rules then apply when the time is used for those purposes.
Employer duties
Give written notice to each employee at hire (or within 30 days of the 2025 amendment) of the amount of time, the employer's choice of year, the terms of use, the ban on retaliation and the right to complain, in English, Spanish and any language spoken by at least 10% of the workforce if translated by the department; display the department's poster; keep records of hours worked and sick time taken for at least 3 years.
Enforcement
Michigan Department of Labor and Economic Opportunity. An employee may file a claim within 3 years; the department investigates, may order payment, damages, back pay and reinstatement, and brings a civil action on the employee's behalf if voluntary compliance fails. Civil fines: up to $1,000 per retaliation violation, up to 8 times the employee's normal hourly wage for failing to provide sick time, up to $100 per willful notice or posting violation. The Act as amended provides no private lawsuit.
Citation
MCL 408.961 to 408.974, 2018 PA 338 (initiative petition adopted by the Legislature September 5, 2018); revived by Mothering Justice v Attorney General (Mich. Sup. Ct. July 31, 2024), which held the 2018 amending act (2018 PA 369) void; amended by 2025 PA 2, in effect since Feb 21, 2025
Local laws: A local government may not adopt, enforce or administer an ordinance, policy or resolution requiring an employer to give employees paid or unpaid leave. The act applies to local measures adopted after December 31, 2014. (MCL 123.1388 (Local Government Labor Regulatory Limitation Act, 2015 PA 105)) sourcePublic record
Family and medical leave
No Michigan statute giving job-protected family or medical leave to private employees was found; Michigan relies on the federal FMLA.
Vacation and PTO at the end of employment
Employer policy controls Fringe benefits, defined to include vacation, holiday, sick and personal time off, must be paid according to the terms of the employer's written contract or written policy, so the policy decides whether unused vacation is paid at separation. (MCL 408.471(e); MCL 408.473) sourcePublic record
Other leave the law requires
Leave
Paid?
The rule
Military
Unpaid
An employee who gives advance notice may not be denied a leave of absence to enter or perform active state service, Title 10 or Title 32 service, or to be examined for fitness to serve; the employer must reemploy the employee who returns within 45 days (90 days after service of more than 180 days). (MCL 32.273) sourcePublic record
Domestic violence
Paid
Earned sick time may be used when the employee or a family member is a victim of domestic violence or sexual assault, for medical care, counseling, victim services, relocation, legal services or court proceedings. No separate victim leave statute was found. (MCL 408.964(1)(c)) sourcePublic record
School activities
Paid
Earned sick time may be used for meetings at a child's school or place of care related to the child's health or disability or the effects of domestic violence or sexual assault on the child. (MCL 408.964(1)(d)) sourcePublic record
Other Civil Air Patrol Employment Protection Act
Unpaid
An employer with 1 or more employees may not discipline or discharge a Civil Air Patrol member for being absent to respond to an emergency declared by the governor or the President, if the employee gives as much notice as possible and provides verification; the time may be unpaid. (MCL 408.921) sourcePublic record
Recent and coming changes
Feb 21, 2025 The Earned Sick Time Act as originally adopted in 2018 took effect, as ordered by the Michigan Supreme Court in Mothering Justice v Attorney General, and was amended the same day by 2025 PA 2, which added the 120-day waiting period, the small business schedule and other changes. in effectsourcePublic record
Oct 1, 2025 Small businesses (10 or fewer employees) began accrual of paid earned sick time, up to 40 hours of use a year. in effectsourcePublic record
What was checked: Read: the Earned Sick Time Act section by section on legislature.mi.gov (MCL 408.961 to 408.974, with compiler's notes), MCL 123.1388, 408.471, 408.473, 32.273, 408.921 and 600.1348. LEO's Earned Sick Time pages on michigan.gov returned 403 to curl, so the small business and effective dates were taken from the government index text of LEO's ESTA FAQ. Not listed as leave: MCL 600.1348 (an employer may not discharge or discipline a person for jury duty, or require work beyond normal daily hours when combined with jury service) and MCL 780.762 (an employer may not discharge or discipline a crime victim for attending court to testify when subpoenaed), as they are protections rather than leave grants. No Michigan statute requiring time off to vote, bereavement leave, donation leave, volunteer responder leave, or holidays for private employers was found.
Not confirmed: LEO's Earned Sick Time Act page, FAQ and poster (https://www.michigan.gov/leo/bureaus-agencies/ber/wage-and-hour/paid-medical-leave-act, https://www.michigan.gov/leo/bureaus-agencies/ber/wage-and-hour/frequently-asked-questions/wage-and-hour/earned-sick-time-faqs, https://www.michigan.gov/leo/-/media/Project/Websites/leo/Documents/WAGE-HOUR/LEO-ESTA-FAQ-English.pdf) returned 403 to curl; only government index snippets were read. 2025 PA 2 itself (its bill number and enrolled text) was not read; its changes are taken from the amended MCL sections and their history notes. No Michigan statute or agency guidance on use-it-or-lose-it vacation policies was found beyond MCL 408.473. No search was made for 2026 session bills on earned sick time or other leave that passed one chamber.
Federal law adds unpaid FMLA leave at employers with 50 or more employees and paid sick leave for federal contractors. Sick leave and time off in every state
Sales and use tax
Checked Nov 3, 2026
Michigan's sales tax is 6 percent of gross proceeds under the General Sales Tax Act, and the Streamlined Sales Tax Governing Board lists no local sales or use taxes. A remote seller must collect once its gross receipts from Michigan sales exceed $100,000, or it has 200 or more separate transactions into Michigan, in the previous calendar year.
State rate
6%MCL 205.52(1) (General Sales Tax Act, 1933 PA 167)sourcePublic record
Local taxes
None. The Streamlined Sales Tax Governing Board's Michigan page lists Local Jurisdiction Sales and Use Taxes: None. Treasury's own pages could not be read (see open). sourcePublic record
Remote sellers
$100,000 or 200 transactions; counts gross: gross receipts from sales to purchasers in Michigan; the transaction test counts separate transactions into Michigan sales; previous calendar year; since Oct 1, 2018. The dollar test is gross receipts that exceed $100,000; the count test is 200 or more separate transactions. The section applies to transactions on or after October 1, 2018. A marketplace facilitator counts its direct sales and its marketplace sellers' sales, and a marketplace seller counts its marketplace and direct sales. A seller that makes no retail sales does not need a license.sourcePublic record
Marketplace facilitators
Must collect (The same MCL 205.52c test (gross receipts over $100,000 or 200 or more separate transactions in the previous calendar year), counting the facilitator's direct sales and marketplace sellers' sales. The facilitator remits tax on all taxable sales it makes or facilitates to Michigan purchasers.), since Jan 1, 2020 sourcePublic record
Sales tax license RegisterMCL 205.53 requires a license before engaging in a business taxable under the act; the license renews annually if the tax is paid, and Treasury may require a surety bond of $1,000 to $25,000 in some cases. A seller registered under the Streamlined agreement that is not otherwise required to hold a Michigan license does not need one because of that registration. Online registration is through Michigan Treasury Online (the link already on this site; not re-read in this run).sourcePublic record
Filing
monthly: default under MCL 205.56(1)
other periods (for example quarterly or annual): as Treasury requires under MCL 205.56(4); Treasury's liability thresholds were not read
accelerated EFT payments: total liability of $720,000 or more in the immediately preceding calendar year
Due: The monthly return and payment are due on or before the 20th day of the following month; a due date on a weekend or holiday moves to the next business day. Vendor discount: Under MCL 205.54, the greater of (a) 0.75 percent of the tax due at a 4 percent rate if paid by the 12th (not to exceed $20,000.00 of the tax due for that month) or 0.50 percent if paid after the 12th and by the 20th (not to exceed $15,000.00), or (b) the 4 percent tax on $150 of taxable gross proceeds; accelerated EFT payers deduct 0.50 percent of the tax due at a 4 percent rate. No deduction for late payments. Michigan Treasury Online (MTO)sourcePublic record
Every michigan.gov page tried (Treasury's sales and use tax, remote seller and bulletin pages) returned 403 Access Denied to an automated read, so this file rests on the Michigan Compiled Laws and the Streamlined Sales Tax Governing Board. The discount figures are the statute's; Treasury's forms may express them differently.
Not confirmed: michigan.gov returned 403 (Akamai Access Denied) for https://www.michigan.gov/taxes/business-taxes/sales-use-tax, https://www.michigan.gov/taxes/business-taxes/sales-use-tax/remote-sellers and the RAB 2018-16 PDF; needs a browser. Treasury's filing frequency thresholds (quarterly, annual) and due dates for them not confirmed. Whether Treasury requires electronic filing of sales tax returns not confirmed. When a remote seller must register after crossing the threshold (Treasury guidance, RAB 2018-16) not read. Resale and exemption certificate rules: Form 3372 (on the site's startup page) and whether Treasury accepts the Streamlined and Multistate Tax Commission certificates not re-read. Any sales tax license fee not confirmed. No Treasury page read to confirm the absence of local sales taxes; the source is the SST Governing Board.
No Michigan statute limits or bars a seller's credit card surcharge, and the Attorney General's consumer alert says Michigan has no such law for credit or debit cards; the card networks' rules apply. Treasury says a card surcharge is part of the sales price and subject to sales tax.
The rule
No Michigan statute on a seller's credit card surcharge was found. The Attorney General's consumer alert says Michigan has no law that prohibits or restricts credit card surcharges, and none for debit card surcharges.
Taxable Treasury's Tax Policy Division says a credit card surcharge passed on to the purchaser is part of the sales price under MCL 205.51(1)(d), as a service cost or other expense of the seller, and sellers should remit sales tax on it (Treasury Update, May 2024). sourcePublic record
What was checked: The Michigan Legislature site timed out for automated reads, so MCL 445.903 (Consumer Protection Act, unfair practices) and MCL 205.51 (General Sales Tax Act definitions) were read without saving a copy. MCL 445.903 mentions credit and debit cards only in its receipt rule (no expiration date or more than the last 4 digits) and has no surcharge provision. Michigan.gov pages (the Attorney General's consumer alert on credit and debit card surcharges and the Treasury newsletter) refused automated reads. No full-text search of the Michigan Compiled Laws for "surcharge" was possible.
Not confirmed: 2024 House Bills 5862 and 5863 (sales and use tax exemption for card surcharges, previous session) and any 2025 to 2026 bill on card surcharges were checked only through secondary bill trackers, which show no chamber passage; confirm on the legislature site. MCL 205.51 and 445.903 were read without saving a copy: https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-205-51 and https://www.legislature.mi.gov/Laws/MCL?objectName=mcl-445-903 A search of the Michigan Compiled Laws for any surcharge provision (beyond MCL 445.903) was not possible without the legislature site.
Partnerships and S corporations (not publicly traded partnerships) can elect to pay Michigan's flow-through entity tax at the individual rate, 4.25%, on their apportioned business income tax base, excluding the share allocable to corporate, insurance company and financial institution members. The election is filed with Treasury by the last day of the ninth month after the tax year ends (for tax years beginning in 2024 or later) and binds the entity for that year and the next 2. Members claim a refundable credit for their share of the tax, and the tax is levied only for years in which IRC section 164(b)(6)(B) limits an individual's SALT deduction.
Law
MCL 206.801 to 206.847 (Part 4 of the Income Tax Act of 1967); member credit MCL 206.254 (individuals, estates, trusts) and 206.675 (corporate income tax). 2021 PA 135 (Enrolled House Bill 5376), effective December 21, 2021, retroactive to tax years beginning on and after January 1, 2021. First tax year 2021. Ends: Levied only while the federal SALT deduction limitation in IRC 164(b)(6)(B) exists (Treasury FAQ; MCL 206.847). sourcePublic record
Who can elect
Entities treated as S corporations or partnerships for federal income tax purposes. Publicly traded partnerships are excluded. Any members may be present, but the tax applies only to the business income tax base allocable to members who are individuals, flow-through entities, estates or trusts; the share of corporations, insurance companies and financial institutions is excluded. An electing entity deducts business income received as a member of another flow-through entity; members of a lower-tier electing entity, direct or indirect, receive the credit for their allocated share. sourcePublic record
Election
Filed with the Department of Treasury in the form and manner it prescribes (the Treasury form and online process were not read). The flow-through entity. Deadline: Tax years beginning on or after January 1, 2024: on or before the last day of the ninth month after the end of the tax year (September 30, 2026 for calendar 2025; September 30, 2027 for calendar 2026). Tax years beginning before 2024: the 15th day of the third month of the tax year. Binding for later years. No: irrevocable for the election year and the next 2 tax years. A new election is needed after that period, and after any year the tax is not levied under section 847. sourcePublic record
Rate
2026: 4.25% under MCL 206.51(1)(b), unless reduced for the year under 206.51(1)(c) Same as 2025. 2025: 4.25% under MCL 206.51(1)(b), unless reduced for the year under 206.51(1)(c) Positive business income tax base after allocation or apportionment to Michigan, for both resident and nonresident members, excluding the share allocable to corporate, insurance company and financial institution members.sourcePublic record
Estimated payments
Quarterly estimated returns and payments if the entity reasonably expects liability over $800, in the same manner as individual estimates. No interest or penalty if 4 equal installments total at least 90% of the current year's liability or 100% of the prior year's, and none for installments due before the election is made unless the deficiency is due to intentional disregard of the law. Calendar year: April 15, June 15, September 15 and January 15 of the following year; fiscal years use the corresponding dates. sourcePublic record
Return
Due Last day of the third month after the end of the tax year (March 31 for calendar year filers); final liability is due by that date even with an extension. Filing a copy of the federal extension request with a tentative return and estimated payment by the due date extends the filing date to the last day of the sixth month after the original due date; Treasury may also grant an extension on application for good cause. Interest runs on unpaid tax. sourcePublic record
Owner credit
Members, direct or indirect, claim a credit equal to their allocated share of the tax as reported by the entity: for tax years beginning in 2024 or later, tax for the year paid by the return due date including extensions, plus tax for earlier years paid during the year. Yes: the credit in excess of the member's tax liability is refunded. Nonresident individuals take the full credit; a nonresident estate or trust's credit is reduced by a fraction equal to 100 minus the section 51 rate, over 100. sourcePublic record
Recent and coming changes
Apr 2, 2025 2024 PA 216 (effective April 2, 2025): election deadline moved to the last day of the ninth month after the tax year ends, for tax years beginning on and after January 1, 2024; estimated payment safe harbors of 90% current year or 100% prior year; tax counted for the member credit if paid by the extended return due date. sourcePublic record
michigan.gov returned Access Denied to automated reads, so Treasury's flow-through entity tax pages, forms and FAQs were not read; every fact here is from the statute on legislature.mi.gov. Part 4 defines the internal revenue code as the code in effect on January 1, 2025 or, at the taxpayer's option, in effect for the tax year (MCL 206.805(5)); how Treasury applies that to the section 847 SALT cap condition for 2026 after Public Law 119-21 was not confirmed. No Michigan act amending section 847 after the 2025 federal law was found (the compiled laws are current through PA 114 of 2026). Treasury's FAQ (read in a browser on 2026-11-03): "The continued levy of the tax is contingent upon the existence of the federal state and local tax (SALT) deduction limitation codified within IRC 164(b)(6)(B)." It also says PA 24 of 2025 decouples Michigan from several provisions of the 2025 federal law, generally from tax year 2025. Treasury does not say in these pages how the raised federal cap affects 2026.
Not confirmed: Treasury guidance on whether the tax is levied for 2026 and later under section 847, given the 2025 federal law and the Part 4 IRC definition, was not read. The section 51 rate can be reduced for a year under section 51(1)(c); the 4.25% for 2025 and 2026 assumes no reduction was triggered, which Treasury's annual determination (not read) would confirm. Whether Michigan gives residents a credit for another state's PTE tax: MCL 206.255 (credit for taxes paid to other states) says nothing about entity-level taxes, and Treasury guidance was not read. Whether Treasury treats the raised federal SALT cap (Public Law 119-21) as continuing the tax for 2026: its FAQ ties the tax to the limitation existing but does not address 2026 directly.
Checked Nov 3, 2026. Business tax: corporate income tax
Michigan follows the Internal Revenue Code in effect on January 1, 2025, or at the taxpayer's option the Code in effect for the tax year; 2025 PA 24 (approved October 7, 2025) moved the date from January 1, 2018. The same act decoupled from five business provisions of Public Law 119-21 for tax years beginning after December 31, 2024: sections 168(n) and 174A are ignored and sections 163(j), 168(k), 174 and 179 apply as in effect on December 31, 2024 (the corporate income tax still ignores section 168(k) entirely), and the 2022 to 2024 research catch-up is disallowed. For individuals, Michigan added its own deductions equal to the federal tips and overtime deductions for 2026 through 2028, but none for 2025, and none for car loan interest or the senior deduction.
Follows the Code
Fixed date, Code as of Jan 1, 2025. MCL 206.12(3) (individual income tax), 206.607(6) (corporate income tax), 206.805(5) (flow-through entity tax), as amended by 2025 PA 24 Each definition reads: the Code in effect on January 1, 2025, or, at the option of the taxpayer, in effect for the tax year. Before 2025 PA 24 the date was January 1, 2018 (House Fiscal Agency). The decoupling rules in 2025 PA 24 apply whichever Code the taxpayer uses.sourcePublic record
Starting point
Individuals: federal adjusted gross income Corporations: federal taxable income sourcePublic record
Response to Public Law 119-21
Decoupled. 2025 PA 24 (Enrolled House Bill 4961), approved and effective October 7, 2025. Years: Decoupling: tax years beginning after December 31, 2024 (research catch-up: tax years beginning after December 31, 2021); tips and overtime deductions: tax years 2026 through 2028 The act took effect only if House Bills 4183, 4951 and 4968 were enacted; the Legislature's bill pages show them as Public Acts 20, 23 and 25 of 2025. The House Fiscal Agency says the decoupling reverts to the pre-OBBBA tax base and was expected to prevent about $540.0 million of revenue loss in FY 2025-26. Treasury's taxpayer notice (January 6, 2026) describes the state deduction for qualified tips and overtime for tax years beginning after December 31, 2025 and before January 1, 2029; for a nonresident, only amounts for services performed in Michigan. Treasury's December 2025 newsletter was not read.sourcePublic record
Provision by provision
Provision
Treatment
The state's rule
Bonus depreciation, section 168(k)
Decoupled Tax years beginning after December 31, 2024
Individuals, resident estates and trusts, and flow-through entity tax: adjusted gross income is computed as if section 168(k) applied as in effect on December 31, 2024 (the version before Public Law 119-21 restored 100% bonus), and section 168(n) qualified production property expensing is ignored. Corporate income tax: federal taxable income is computed as if sections 168(k) and 168(n) were not in effect (no bonus at all, as before 2025). The act lets the State Treasurer adjust cross-references as needed; how the difference is reported and recovered depends on Treasury forms, which could not be read. sourcePublic record
Section 179 expensing
Decoupled Tax years beginning after December 31, 2024
Section 179 applies as in effect on December 31, 2024, for individuals, estates and trusts, the corporate income tax and the flow-through entity tax, so the $2.5 million limit and new phase-out threshold do not apply for Michigan. sourcePublic record
Domestic research costs, section 174A
Decoupled Tax years beginning after December 31, 2024; transition rules disallowed for tax years beginning after December 31, 2021
Section 174A is treated as not in effect and section 174 applies as in effect on December 31, 2024, so domestic research costs stay capitalized and amortized for Michigan. The section 70302 transition rules, including the 2022 to 2024 catch-up and small business retroactive expensing, do not apply for Michigan for tax years beginning after December 31, 2021. sourcePublic record
Business interest limit, section 163(j)
Decoupled Tax years beginning after December 31, 2024
Section 163(j) applies as in effect on December 31, 2024, so the return to an EBITDA-based limit does not apply for Michigan, for individuals, estates and trusts, the corporate income tax and the flow-through entity tax. sourcePublic record
Deduction for tips
Modified Tax years beginning after December 31, 2025 and before January 1, 2029
2025: no Michigan deduction (Michigan starts from federal adjusted gross income and the federal deduction is below the line). 2026 through 2028: a Michigan deduction equal to the qualified tips deduction allowed on the federal return for the same year, to the extent not already deducted in adjusted gross income; nonresidents deduct only tips for services performed in Michigan. sourcePublic record
Deduction for overtime
Modified Tax years beginning after December 31, 2025 and before January 1, 2029
2025: no Michigan deduction. 2026 through 2028: a Michigan deduction equal to the qualified overtime compensation deduction allowed on the federal return for the same year; nonresidents deduct only overtime for services performed in Michigan. sourcePublic record
Deduction for car loan interest
Not allowed 2025 and 2026
Does not reach the Michigan return: the House Fiscal Agency says below-the-line federal deductions do not affect the Michigan tax base, and 2025 PA 24 added no Michigan deduction for car loan interest. sourcePublic record
Deduction for seniors
Not allowed 2025 and 2026
Does not reach the Michigan return: the federal senior deduction is below the line, and 2025 PA 24 added no matching Michigan deduction. Michigan's own retirement and senior deductions are separate. sourcePublic record
Other differences
The House Fiscal Agency put the revenue the five business decouplings protect at about $540.0 million in FY 2025-26, falling to $275.0 million in FY 2029-30 (Treasury estimates). sourcePublic record
Jan 1, 2026 Michigan tips and overtime deductions begin with tax year 2026 and end after tax year 2028. sourcePublic record
The guidance date comes from the notice's URL; its text was not read.
Not confirmed: Treasury guidance on how to report the decoupling adjustments (forms, schedules, recovery of the bonus and 179 differences) not read: michigan.gov returned 403 to automated requests. Treasury's December 2025 Treasury Update newsletter not read (403). No 2026 Michigan bill on car loan interest or the senior deduction was found; not checked beyond one search.
Michigan has no law requiring employers to put pay in job postings or to disclose pay to applicants or employees. State law only bars employers from requiring employees to keep their wages secret or punishing them for disclosing their wages (MCL 408.483a), and it bars local governments from regulating what employers ask on applications or in interviews. A salary history and credit history ban (SB 145) passed the Senate on April 22, 2026 and is in a House committee.
Recent and coming changes
Senate Bill 145 (S-3) would amend the Payment of Wages and Fringe Benefits Act (MCL 408.483a) to bar employers from asking job seekers about, or otherwise seeking, their past wages, fringe benefits, credit score or credit history, with exceptions for employers required by law or a federal self-regulatory organization to use that information, federally insured deposit-taking financial institutions and their affiliates, and registered broker-dealers and investment advisers. It would also bar written policies or practices that prohibit or discourage employees from disclosing their wages. It does not require pay in postings. Passed the Senate April 22, 2026 (19 to 16); referred to the House Committee on Economic Competitiveness the same day.sourcePublic record
Salary history ban: No. No state ban for private employers: the Senate Fiscal Agency's analysis of SB 145 says employers currently may consider an applicant's prior wages, fringe benefits or credit history. MCL 123.1384 bars a local government from adopting or enforcing an ordinance regulating information an employer must request, require or exclude on an application or during the interview process.sourcePublic record
What was checked: Checked: the Payment of Wages and Fringe Benefits Act's prohibited conduct section (MCL 408.483a), which covers only wage secrecy; the Local Government Labor Regulatory Limitation Act section on application and interview information (MCL 123.1384, 2015 PA 105, amended 2018 PA 84); and the Michigan Legislature's 2025 to 2026 bill lists for the categories Labor: fair employment practices, Labor: hours and wages and Civil rights: employment discrimination. No bill requiring pay in postings appeared in those lists; HB 4297 (2025), which would require an employer to disclose wage information of similarly situated employees to an employee in some circumstances, was introduced and not passed by a chamber. Because MCL 123.1384 limits local regulation of application and interview content, no local pay disclosure ordinance was expected, and none was found.
Not confirmed: The Department of Labor and Economic Opportunity's Wage and Hour pages on michigan.gov returned 403 to automated reads, so the labor agency's own pages were not checked. Whether MCL 123.1384 would preempt a local ordinance requiring pay in job postings (as opposed to applications and interviews) is not settled by its text and was not researched. Bills on pay transparency filed under other subject categories in the 2025 to 2026 session were not searched.
Checked Nov 2, 2026. CF/SF, plus direct filing in some cases
Michigan Treasury wants a state copy of every 1099 issued to a Michigan resident (including 1099-NEC, 1099-MISC, 1099-K, 1099-R and 1099-DA), whether or not tax was withheld, and of any form showing Michigan withholding, due on the federal date. Michigan takes part in CF/SF through FIRE, which satisfies the requirement except for 1099-NEC, but Treasury says it is not currently receiving copies of 1099s filed through IRIS. Issuers of 10 or more forms must upload through Michigan Treasury Online.
When 1099s are required:Required regardless of withholding Every 1099 issued to a Michigan resident, whether or not withholding is shown.
Forms
Who files
Due
How
E-file threshold
Source
1099-NEC, 1099-MISC, 1099-K, 1099-R, 1099-DA
Every 1099 (including but not limited to these forms) issued to a Michigan resident, without regard to where the issuer is domiciled, where the work, services or transactions occurred, or whether withholding is shown; and any other form that indicates Michigan withholding. MCL 206.711(1) 1099-NEC must be filed directly even when filed federally through CF/SF.
The federal date: on or before January 31 for most forms; 1099-MISC, 1099-K, 1099-R and 1099-DA by February 28 on paper or March 31 electronically.
Michigan Treasury Online (MTO) upload (.PDF, .RAR, .TXT or .ZIP, up to 10MB a file); issuers of fewer than 10 forms may also mail magnetic media or paper copies (no cover letter) to Michigan Department of Treasury, Lansing, MI 48930.
10 or more income record forms must be sent through MTO as a magnetic media formatted file (Publication 1220 layout).
Combined Federal/State Filing: on the IRS list of participating states. Covers the state's requirement: partly. Still file directly: Form 1099-NEC: although it is in the CF/SF Program, Michigan requires the state copy to be filed directly with Treasury. Treasury also says it is not currently receiving copies of 1099s filed through IRIS. Treasury's Income Record Form Remittance Guide (read in a browser): the IRS shares certain income record form information with Michigan, automatically satisfying the filing requirement, for forms sent electronically through FIRE under the program. Michigan is in Table 1 of Publication 1220 (Rev. 5-2026), code 26.sourcePublic recordIRS list
FIRE to IRIS: Michigan is not currently receiving copies of 1099 forms filed through the federal Information Returns Intake System (IRIS). sourcePublic record
Read in a browser on 2026-11-02: Treasury's Income Record Form Remittance Guide, which replaces the January 22, 2025 news release this file first rested on. MCL 206.711(1) also refers to an annual reconciliation return (MI-W3) by January 31; Treasury's guide says no reconciliation form is sent with income record forms. Michigan city income taxes, including Detroit's, are out of scope here.
Not confirmed: Whether CF/SF will cover Michigan for tax year 2026, when FIRE is retired and IRIS is the only IRS system: the guide says Michigan is not currently receiving 1099s filed through IRIS. The W-2 and 1099 FAQs (https://www.michigan.gov/taxes/questions/1099w2) were not read. Whether Michigan sets its own Form 1099-K threshold: the guide follows the federal forms.
Checked Nov 3, 2026. Michigan Department of Treasury
Treasury's power of attorney form, its position on the federal Form 2848, and its e-file rules for preparers could not be read: michigan.gov refused automated requests and the eServices portals require a browser. Michigan has no paid preparer registration found; its Taxpayer Protection Act (MCL 205.4a) requires a paid preparer to sign individual income tax returns and enter a preparer tax identification number, with a $50 penalty per failure, and exempts licensed CPAs and their supervised staff.
Beginning January 1, 2021, a return or claim for refund under part 1 of the Income Tax Act prepared by a paid tax preparer must be signed by the preparer and bear the preparer's tax identification number; no state preparer number. PTIN: required. Penalty: A civil penalty of $50 for each failure to sign or to give the preparer tax identification number, unless due to reasonable cause, up to $25,000 per calendar year. sourcePublic record
E-file mandate for preparers
No Michigan count of its own: Treasury expects any preparer who e-files federal returns (the IRS mandate starts at 11 or more returns) to also e-file the Michigan returns, including City of Detroit returns. Michigan individual income tax and City of Detroit returns. sourcePublic record
Practitioner line
Forms, Documentation and E-File Services: MIFormsEfile@michigan.gov (for tax preparers, transmitters and software developers only); individual income tax customer contact center 517-636-4486. sourcePublic record
A taxpayer may file a written request that copies of letters and notices about a dispute be sent to one official representative (MCL 205.8). The site's state page lists Michigan Treasury eServices (Citizen and Business Portals) and Michigan Treasury Online, both used for tax professional access, but their help pages could not be read without a browser.
Not confirmed: MiTreasury eServices (Citizen Portal and Business Portal) answered only with a cookies and bot-check page; Michigan Treasury Online's front page is a script shell with no readable help text. No statute or Treasury statement that Michigan has no paid preparer registration was found; registration.required is false because MCL 205.4a regulates preparer conduct without any registration.
19 IRS data-sharing agreements with agencies in Michigan, for any purpose (TIGTA, as of March 2026) sourcePublic record; FUTA credit certified to the IRS by Michigan Unemployment Insurance Agency sourcePublic record; the workforce agency signed the IRS Questionable Employment Tax Practices (QETP) agreement in 2007 sourcePublic record. How the IRS shares tax data with the states
Tax
MiMITS (Individual Income Tax System, GenTax) and Michigan Treasury eServices
RFP for an Individual Income Tax system run by DTMB for Treasury; contract 240000001157 approved by the State Administrative Board as a new contract, not to exceed $68,667,290 for 4 years. Solicitation number and number of bidders not found. A later RFP for additional tax types was folded into the same contract in October 2026 after FAST met its minimum requirements.
Awarded
Aug 20, 2024
Original contract
$68,667,290
Current contract
$93,883,998
Note
Change Notice 9 (10/13/2026) adds $25,216,708.33 for additional tax types and extends the contract two years to 9/8/2031. Rollout 3 (sales, use and withholding) is capped at $22,200,000 and its GenTax license is $2,000,000. Change Notices 1 to 8 added City of Detroit and Flint, 911 fee, bottle deposit, wholesale marijuana and marijuana retail excise tax work with no change in contract value. The board approved a 4-year term; the contract runs 9/9/2024 to 9/8/2029 with five option years.
Whole project
Treasury told the House Fiscal Agency the total cost to replace the IIT, garnishment and levy and collections systems was estimated at $86 million (estimate made for the earlier combined project).
Replaced
A roughly 40-year-old individual income tax system on an aging Unisys mainframe (Treasury); later rollouts replace MiMATS and the SAP-based MIITAS business tax system.
What the record shows
Individual income tax went live on GenTax on 11/12/2025. In the first filing season about 250,000 filers were still waiting on refunds in June and about 27,000 erroneous adjustment letters went out. At a 6/16/2026 House Oversight Committee hearing, Treasury officials said they would waive penalties for affected taxpayers. sourcePress / secondary
Treasury's presentation to the House Oversight Committee on 6/16/2026 says MiMITS went live in November 2025 and that, as of 6/12/2026, more than 95% of on-time returns had been processed: 5.13 million individual income tax returns and $3.46 billion in refunds. It says about 27,000 taxpayers received incorrect Notice of Adjustment letters, caused by a calculation field misread, and that corrective communications were issued. sourcePublic record
Treasury's bulletin to tax partners of 5/11/2026 says 27,000 Notice of Adjustment letters were issued in error in April. About 8,700 corrected letters had gone out; the remaining 18,300 taxpayers were to receive a revised correction letter, with a "Reminder of Tax Due" page for those with a balance. Taxpayers who had been sent a refund check for their Form 2210 penalty and cashed it without repaying would receive a reminder notice, then an intent to assess. sourcePublic record
Treasury reported on 6/15/2026 that 95% of individual income tax returns for the season had been completed: as of June 8, 2026 it had processed more than 5.12 million returns and issued over $3.43 billion in refunds, with an average refund of $901. It said it launched the new tax processing system at the end of 2025, replacing a 40-year-old legacy system, and took "a conservative, risk-controlled approach" to the transition. sourcePublic record
Treasury says it replaced a 40-year-old legacy system with a commercial off-the-shelf product; as of 6/8/2026 it had processed more than 5.12 million individual returns and issued $3.43 billion in refunds. It acknowledged problems with letters and with reaching the call center and said its phone system could not handle peak demand. sourcePublic record
The October 2026 change notice sets the rollout plan: Rollout 2 (City of Detroit and Flint income tax, 911 fee, motor fuel, tobacco) on 11/9/2026 and Rollout 3 (sales including streamlined sales tax, use and withholding) in March 2028. Corporate income tax, Michigan Business Tax, flow-through entity tax and about a dozen other taxes are optional Rollouts 4 and 5 with no date. sourcePublic record
Individual income tax was first meant to be built on SAP by Deloitte under the MiTreas Modernization contract, with an IIT go-live of 1/6/2025. Treasury removed IIT from that contract in April 2023 and procured it separately. sourcePublic record
Aug 20, 2024 The board approves FAST's individual income tax contract, not to exceed $68,667,290. sourcePublic record
Nov 12, 2025 Individual income tax goes live on GenTax and Michigan Treasury eServices (Rollout 1). sourcePublic record
Jun 16, 2026 Treasury officials give the House Oversight Committee a presentation on the Department; questions and discussion follow, and an accounting firm's representative testifies about the Department. sourcePublic record
Oct 13, 2026 The board adds $25,216,708.33 to FAST's contract for more tax types, bringing it to $93,883,998.33. sourcePublic record
Nov 12, 2026 Motor fuel, tobacco and marijuana retailers excise tax open in Michigan Treasury eServices (scheduled). sourcePublic record
Jan 1, 2027 City of Detroit individual income tax moves to GenTax (scheduled). sourcePublic record
Mar 2028 Sales, use and withholding tax move to GenTax (Rollout 3, scheduled). sourcePublic record
Tax
MIITAS (Michigan Integrated Tax Administration System) and Michigan Treasury Online
Agency
Michigan Department of Treasury, with DTMB
Vendor
SAP (software and hosting); built by Deloitte Consulting LLP (contract 071B8200018, 2007 to 2021); maintained by Accenture LLP since 2019
Product
SAP ECC Tax and Revenue Management, SAP Enterprise Portal; SAP Commerce (Hybris) eServices; SAP NS2 Secure HANA Cloud hosting
How it was bought
Deloitte contract 071B8200018 awarded on req. No. 071I7200239 (2007); Accenture maintenance contract 190000001389 approved by the State Administrative Board as a new contract, not to exceed $16,604,865.04 for 3 years (9/12/2019). Competition details not found.
Awarded
Sep 15, 2007
Original contract
$14,950,000
Note
No single total. Deloitte's build and enhancement contract grew from $14,950,000 to $96,749,978.99 by its last change notice (expiring 12/31/2021). Accenture's SAP Tax and Revenue Module maintenance contract grew from $17,019,076 at execution to $61,640,370.86 (Change Notice 74, 8/27/2026), running to 9/15/2027. SAP NS2 cloud hosting (contract 180000000205, shared with the MiTreas collections system) stands at $52,992,554.45. In 2020 the Auditor General put the cost of three vendors since 2007 at $129.0 million.
Whole project
$129.0 million total cost for development, enhancement, maintenance, cloud hosting, licensing, training and consulting from 2007 to the March 2020 audit (Auditor General).
Replaced
Mainframe tax and revenue systems; first used for the Michigan Business Tax (2008).
What the record shows
The Auditor General's 2020 audit found that security-related events were not monitored and high-risk access was not sufficiently restricted (both material conditions), and that 113 refund payments totaling $7.3 million were not sent to the address on the return. Its September 2025 follow-up found Treasury and DTMB had only partially complied on both material conditions. sourcePublic record
MIITAS administers the Michigan Business Tax, corporate income tax, sales, use and withholding taxes and City of Detroit income tax. In fiscal 2018 Treasury processed about $19.7 billion in tax revenue and $1.0 billion in refunds through it. sourcePublic record
Taxes are leaving MIITAS for GenTax: marijuana retail excise tax on 11/12/2026, City of Detroit income tax on 1/1/2027, and sales, use and withholding in March 2028. sourcePublic record
The Auditor General's March 2020 audit put the total cost of MIITAS at $129.0 million: since 2007 Treasury and DTMB had contracted with three vendors for its development, enhancement and maintenance, cloud hosting, software licensing, and training and consulting. That is the auditor's cost total to the audit date, not a contract ceiling. sourcePublic record
Contract 071B7700175, which the notice of contract says was established under ITB No. 071I1300012 (the same solicitation number cited in FAST's 2011 unemployment insurance contract). Initial State Administrative Board approval 8/1/2017. Number of bidders not found.
Awarded
Aug 8, 2017
Original contract
$7,910,000
Current contract
$15,582,531
Note
Change Notice 17 (11/4/2025) adds $3,000,000 to move motor fuel and tobacco from GenTax Version 10 to GenTax Core 26 in MiMITS, because Version 10 cannot meet WCAG 2.1 accessibility requirements, and extends the contract to 11/9/2027. Ongoing maintenance for these taxes moves to the MiMITS contract. The contract's printed running totals do not reconcile in two places: Change Notice 15 shows a current value of $9,420,000 after Change Notice 14 recorded $9,855,828, and Change Notice 17 shows a current value of $12,582,531 against $12,483,403 at Change Notice 16. The board's May 2024 minutes printed a new total of $14,234,319.
Replaced
The previous motor fuel and tobacco tax system.
What the record shows
The contract was executed at $7,910,000 in August 2017 and now stands at $15,582,531 after 17 change notices, including seven one- and two-month extensions in 2021 and 2022. sourcePublic record
The MiMATS web platform is decommissioned at 5 p.m. on 10/30/2026. Treasury warns that returns and payments cannot be processed until 11/12/2026, when motor fuel and tobacco open in Michigan Treasury eServices. sourcePublic record
SAP commercial off-the-shelf (S/4 Collections), hosted on SAP NS2 Secure HANA Cloud
How it was bought
Contract 210000000604. Solicitation and bidders not found in the contract file.
Awarded
Apr 1, 2021
Original contract
$51,935,534
Current contract
$39,721,065
Note
Change Notice 9 (4/21/2023) removed individual income tax from the scope and cut the contract by $30,810,115 to $22,693,076; Change Notice 13 (3/25/2025) restored option years and added $14,944,196 for maintenance; Change Notice 19 (2/3/2026) added $2,000,000 for interfaces with MiMITS for Detroit city tax. Change Notice 20 (3/11/2026) moves marijuana retail excise tax from SAP to GenTax within existing funds.
Whole project
The project was awarded about $40 million in Information Technology Investment Fund money (Treasury to the House Fiscal Agency).
Replaced
The State Treasury Accounts Receivable (STAR) and Michigan Accounts Receivable Collection System (MARCS) collections systems and the garnishment and levy system.
What the record shows
The 2021 plan scheduled collections to go live on 5/16/2023 and individual income tax on 1/6/2025. Treasury dropped IIT from the contract in 2023, the go-live moved to 7/29/2024, and the contract records that MiTreas went live in July 2024. sourcePublic record
Treasury told the House Fiscal Agency that the original MiTreas Modernization project experienced significant delays through its initial phase, which led it to split collections and IIT into separate projects. sourcePublic record
uFACTS (Unemployment Framework for Automated Claim and Tax Services), branded MiUI; cloud (Azure)
How it was bought
RFP 220000001760; the State Administrative Board approved a 4-year not-to-exceed award of $59,579,910 on 2/28/2023. Number of bidders not found.
Awarded
Feb 28, 2023
Original contract
$59,579,910
Current contract
$82,339,114
Note
After 10 change notices. Change Notice 6 (3/5/2025) cut $7,250,000 in a settlement that the parties say resolves all known issues and disputes arising before that date, while adding $826,344 of new work and extending the term to 12/14/2028. Change Notice 10 (8/4/2026) adds $21,937,699 for 58 change requests, a much larger benefits user acceptance test (3,198 planned test cases grew to 9,462), a hardening phase and nine months of enhanced tax-side support. The board approved $551,771 in May 2024 and a combined $1,165,771 in July 2024, but the change notice records only $614,000 for that work. UIA announced the project in 2023 as an estimated $78 million over the life of a 10-year contract.
Whole project
$78 million over the life of a 10-year contract (UIA, April 2023)
Replaced
MiDAS and MiWAM.
What the record shows
UIA said in April 2023 the system would be fully operational in two years. The tax release slipped from 12/15/2025 to 2/22/2026 (employers began using MiUI on 2/23/2026), and the benefits release from 5/31/2026 to November 2026; UIA's launch date is 11/9/2026 while the August 2026 change notice says 11/16/2026. sourcePublic record
UIA signed the Deloitte contract on 4/28/2023, saying the system would replace MiDAS and MiWAM, first launched in 2013, at an estimated $78 million over 10 years. sourcePublic record
UIA says MiWAM and MARVIN shut down permanently at 4:30 p.m. on 11/2/2026, with a week of downtime to transfer current and historical data into MiUI. sourcePublic record
Nov 15, 2022 UIA announces it has chosen Deloitte to replace MiDAS, expected to be fully operational in 2025, at a projected cost of more than $78 million over a 10-year contract. sourcePublic record
Feb 28, 2023 The board approves Deloitte's unemployment insurance system contract, not to exceed $59,579,910. sourcePublic record
Mar 5, 2025 Deloitte's contract is cut $7,250,000 in a change notice resolving known disputes. sourcePublic record
Feb 23, 2026 Employers and TPAs begin using MiUI for unemployment tax. sourcePublic record
Aug 4, 2026 The board adds $21,937,699 to Deloitte's contract, bringing it to $82,339,113.62. sourcePublic record
Nov 9, 2026 MiUI replaces MiWAM for unemployment benefits (scheduled). sourcePublic record
Unemployment insurance
MiDAS (Michigan Integrated Data Automated System) and MiWAM
Agency
Michigan Department of Labor and Economic Opportunity, Unemployment Insurance Agency
GenTax-based unemployment tax and benefits system (UIA Integrated System Project)
How it was bought
Contract 071B1300367 awarded on ITB No. 071I1300012 (invitation to bid). Number of bidders not found.
Awarded
Aug 29, 2011
Original contract
$47,026,150
Current contract
$99,119,298
Note
After 39 change notices: option years, maintenance and support, extra FAST staff, CARES Act and Lost Wages Assistance changes (2021) and a 2022 useful life extension. Change Notice 39 (State Administrative Board 9/29/2026) exercises an option year to 9/30/2027 while MiUI takes over.
Replaced
The UIA's previous tax and benefits systems.
What the record shows
UIA reviewed every fraud case from October 2013 to August 2015. Of 40,195 fraud findings made by the computer program without an appeal, 85% were reversed on review; of 22,589 that started with the program and went to an investigator, 44% were reversed. In 2017 the agency was refunding more than $20.8 million. sourcePublic record
The State settled Bauserman v. Unemployment Insurance Agency, the 2015 class action over MiDAS fraud findings, for $20 million in October 2022. The Court of Claims gave final approval in January 2024 for about 3,200 class members. sourcePublic record
The Auditor General's February 2016 performance audit of MiDAS (report 641-0593-15), which DTMB had contracted with FAST for $47 million to build, found that of 51,207 appeals UIA sent to the Michigan Administrative Hearing System from October 2013 to June 2015, the hearing system affirmed UIA in 8% of secondary misrepresentation cases and 21% of other cases. sourcePublic record
2015 Claimants file Bauserman v. Unemployment Insurance Agency over MiDAS fraud findings. sourcePublic record
Feb 2016 The Auditor General reports on MiDAS; the Michigan Administrative Hearing System affirmed UIA in 8% of secondary misrepresentation appeals. sourcePublic record
Aug 11, 2017 UIA finishes reviewing 2013 to 2015 fraud cases: 85% of computer-only findings reversed; more than $20.8 million being refunded. sourcePublic record
Oct 20, 2022 The State announces a $20 million settlement of the MiDAS false fraud class action. sourcePublic record
Jan 29, 2024 After a fairness hearing, the Court of Claims signs the order granting final approval of the $20 million Bauserman settlement. sourcePublic record
Business filing system software (vendor product name not stated)
How it was bought
State Administrative Board approved a new 5-year contract (220000002889) for $4,950,000 on 4/25/2023; the 2025 amendment cites contract 230000000726. Procurement method and bidders not found.
Awarded
Apr 25, 2023
Original contract
$4,950,000
Current contract
$8,637,677
Note
The board added $2,797,677 on 9/11/2025 for licensing, hosting, maintenance and support, for a new total of $8,637,677. The prior total implied by that amendment ($5,840,000) is $890,000 above the original award; no board action for the difference was found. The contract document was not found on the State's contract list.
Replaced
The previous Corporations Online Filing System, with CID and PIN access.
What the record shows
The portal went live on 6/23/2025 after five days of downtime. Annual reports and statements can no longer be filed on paper, telephone certificate orders ended, and all filings require MiLogin for Business. LARA said only that a vendor that has helped other states built it. sourcePublic record
Jun 23, 2025 The MiBusiness Registry Portal goes live; paper annual reports end. sourcePublic record
New hire reporting
New Hires Reporting System (Michigan New Hires Operation Center)
Agency
Michigan Department of Health and Human Services, Office of Child Support
Vendor
YoungWilliams Inc., Ridgeland, MS (assigned from Maximus Human Services, Inc., April 2026)
Product
Vendor-operated COTS new hire reporting system
How it was bought
RFP 171-190000000156; contract 190000000697 awarded to Maximus Human Services. Number of bidders not found.
Awarded
May 25, 2019
Original contract
$4,548,890
Current contract
$6,820,360
Note
Change Notice 6 (effective 4/2/2026; board approval 4/28/2026) assigns the contract from Maximus to YoungWilliams, exercises the last three option years to 5/24/2029 and adds $1,697,673. A 2021 amendment of $422,619 added county jail reporting under Senate Bill 1091.
Replaced
What the record shows
Michigan's new hire contract changed hands in April 2026, when Maximus assigned it to YoungWilliams with all terms unchanged. sourcePublic record
Statewide enterprise identity, credentialing and access management
How it was bought
Contract 071B3200143. Original award and procurement method not found.
Note
Statewide contract covering all agencies, not only tax. New total after the 9/1/2026 board amendment, which extends the contract three months to support moving MiLogin off on-premises infrastructure to Google Cloud Platform. The largest recent increase was $29,890,000 in January 2023. Total not counted in vendor totals here because the contract covers every state agency, not only tax and payroll.
Replaced
What the record shows
MiLogin is the sign-in for MiUI, the MiBusiness Registry Portal and the Treasury eServices Business Portal. Its statewide contract reached $116.8 million in September 2026. sourcePublic record
The solicitation number, bidders and evaluation for FAST's 2024 individual income tax contract (240000001157) and the October 2026 additional tax types RFP. The contract file refers to an RFP but does not name it.
Whether MiMATS (2017) was competitively bid. Its notice of contract cites ITB No. 071I1300012, the solicitation number of FAST's 2011 unemployment contract.
The original award, procurement method and current scope of the MiLogin contract (071B3200143), and how much of it is attributable to tax and UI systems.
The Tecuity contract document for the MiBusiness Registry Portal; it is not on the State's contract list, and the board minutes use two contract numbers (220000002889 and 230000000726).
A written Treasury notice on penalty and interest relief for taxpayers affected by the 2026 erroneous adjustment letters. Treasury's 5/11/2026 bulletin to tax partners and its presentation to the 6/16/2026 hearing describe corrective letters but do not mention penalty relief; only press coverage of the hearing reports it.
A whole-project cost for individual income tax modernization beyond the $86 million estimate made for the earlier combined Deloitte project, and SIGMA payment data to each vendor (not queried).
Know something about Michigan's systems, have a contract document, or had trouble with one of these portals? Send it in.