Michigan > Michigan Income Tax (MI 1040) > Estimates / Underpayments > 2 - Underpayment Penalty Preparation
Michigan > Michigan Income Tax (MI 1040) > Taxes > 1 - Use Tax
Michigan > Michigan Income Tax (MI 1040) > General > 1 - Residency
Michigan doesn't tax residents on their business income earned out of state.
Sch C income apportioned using 1040H
SEP & 401(k) contributions are only deductible here if the business income they're based on is apportioned to MI. Or a portion of the deduction could be apportioned to MI using the same apportionment ratio.
Reciprocity agreement for wages with IL, IN, KY, MN, OH, WI where residents of one state working in another don't pay tax to the NR state.