Michigan’s Public Act 24 of 2025 changes how income tax is calculated at the state level by decoupling from several federal Internal Revenue Code (IRC) provisions.

The various Divisions of the Department of Treasury are guided by State statutes, Administrative Rules, Court cases, Revenue Administrative Bureau Bulletins, Property Tax Commission …

The various Divisions of the Department of Treasury are guided by State statutes, Administrative Rules, Court cases, Revenue Administrative Bureau Bulletins, Property Tax Commission …

The Michigan Department of Treasury has been made aware that some "Reminder of Tax Due" letters sent to taxpayers contain an incorrect toll-free (1-800) TTY number, which may connect …

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Withholding Tax Guidance Income Record Form Remittance Guide Instructions and other information regarding the filing of W-2, 1099, and other income record forms with Michigan, …

Payments can be made online using Michigan Treasury Online (MTO). Note: If a due date falls on a weekend or , the return and payment are due the next business day.

Follow the status of your refund on Michigan Treasury eServices! For e-filed state returns, allow 3-4 weeks from the date you received the accepted return confirmation before checking refund …

eService is the Michigan Department of Treasury web portal that allows you to check your Individual Income Tax refund status, view tax account information, ask questions, make …

The Office of Revenue and Tax Analysis (ORTA) is responsible for preparing the official Michigan economic and revenue forecasts, legislative fiscal analysis, and the administration of many …