2020 Michigan Business Tax (MBT) Forms
Other Forms & Instructions
- Previous Year Forms
- Web-Based Tool for Completing Form 4585
- 4889, 2021 Request for Accelerated Payment for the Brownfield Redevelopment Credit and the Historic Preservation Credit
- 4913, 2021 Corporate Income Tax Quarterly Return and Instructions
- 4913, 2020 Corporate Income Tax Quarterly Return
- Pay your monthly or quarterly estimated payments at Michigan Treasury Online
- 4913, 2021 Corporate Income Tax Quarterly Return and Instructions
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