Scammers are contacting taxpayers while pretending to be from the Michigan Department of Treasury, using out‑of‑state phone numbers. They may request payments or attempt to trick you into providing your bank account information. Always verify the source before sharing any personal or financial details.
Additional Details Categories
Additional Details Categories
To view additional details on the Corporate Income Tax, choose from the categories below.
| Tax Base | Insurance Companies / Financial Institutions |
| Nexus and Apportionment | Unitary Business Groups |
| Credits | Filing Requirements |
| Forms & Instructions | FAQs |