Emergency-related state tax relief available for taxpayers located in twelve northern Michigan counties impacted by March 2025 storms.
4. How is the sales factor computed?
4. How is the sales factor computed?
To compute the sales factor, divide the total sales in Michigan during the tax year by the total sales everywhere during the tax year. The sales factor is generally computed for each business entity separately. Complete a Michigan Schedule of Apportionment (Form MI-1040H) for each business entity, unless the eligible taxpayer has elected to combine apportionment of unitary entities. MCL 206.121