MI 4891 Information

All C Corporation, insurance company, financial institution, or a unitary business group liable (described here as standard taxpayers) other than financial institutions and insurance companies with apportioned or allocated gross receipts equal to $350,000 or more and whose CIT tax liability is greater than $100 must file a CIT Annual Return (Form 4891). (See “Filing if Tax Year Is Less Than 12 Months” in “General Information” section.) The law does not require the filing of the CIT return by a taxpayer whose gross receipts apportioned or allocated to Michigan are less than $350,000 or whose CIT tax liability is less than or equal to $100.

Link to official form info:

Link to official form info for 4891

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  • Upcoming Due Dates in the Next Year:*
  • Monday Mar 15, 2027
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    * Due dates are based on the filing requirements for this form and may vary depending on your tax year.

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