Michigan Treasury Online Business Services
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Resolve tax issues, make collections payments, schedule an informal conference and much more.
Making payments, resolving a tax debt prior to collection, common actions we make take and more helpful resources.
Audit standards, audit manuals, audit processes, taxpayers rights during audits and Treasury office locations.
Information on informal conferences, the appeals process, assessments, seizures, adjustments and denials.
Guidelines for voluntary disclosure by a taxpayer, helpful hints when contacting us, related legal documentation and forms.
If you have trouble resolving a tax or other department issue, the Office of the Taxpayer Advocate may be able to help.
The Discovery Unit is responsible for developing and conducting projects designed to identify and contact non-filers and under-reporters of the various taxes administered by the Michigan Department of Treasury. Taxpayers are notified of their tax discrepancies using letters of inquiry issued in accordance with MCL 205.21 of the Revenue Act.
