Return tax 2026

1. Click ‘Get Form’ to open the return tax document in the editor.
2. Begin by entering the tax year for which you are filing in line 1. Ensure you specify whether it is for the calendar year or a fiscal year.
3. In line 2, input your Taxpayer Name. If you are part of a Unitary Business Group (UBG), enter the name of the Designated Member (DM).
4. Enter your Federal Employer Identification Number (FEIN) in line 3. This number must be consistent across all forms.
5. Complete your address details in line 4, including city, state, and ZIP code. This information is crucial for correspondence regarding your return.
6. For apportionment calculations, fill out lines 9a through 9g accurately based on your sales data to determine your Michigan sales and total sales.
7. Review all entries carefully before submitting. Use our platform's features to save and share your completed form easily.

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