Sales Tax Nexus Rules in Michigan: Thresholds, Requirements, and CPA Action Steps
Master Michigan's 2026 sales tax nexus rules. Learn about the $100,000 revenue or 200-transaction thresholds, why wholesale sales count toward nexus, and essential CPA action steps for MTO compliance.
Introduction
Michigan enforces economic nexus rules with centralized administration and relatively low complexity. For CPA firms, Michigan requires accurate tracking of both revenue and transaction volume.
What Creates Sales Tax Nexus in Michigan?
Physical Nexus
Includes offices, warehouses, inventory, employees, or in-state service activity.
Economic Nexus
Applies to remote sellers meeting statutory thresholds.
Marketplace Nexus
Marketplace facilitators collect and remit tax on behalf of sellers.
Economic Nexus Thresholds in Michigan
A seller establishes nexus if it has, in the previous calendar year:
$100,000 or more in Michigan sales, or
200 or more separate transactions
Either threshold applies.
Does Michigan Impose Sales Tax?
Yes. Michigan imposes a state-administered sales and use tax. There are no local sales taxes.
Registration Requirements
Registration is completed with the Michigan Department of Treasury.
Required once nexus is established
Filing Frequency and Due Dates
Monthly filing is standard
Returns due by the 20th of the following month
Penalties and Interest
Late filing and late payment penalties
Interest accrues on unpaid balances
CPA Action Steps
Track Michigan revenue and transaction counts
Identify physical presence triggers
Review marketplace coverage
Register promptly
Establish compliance controls
Conclusion
Michigan nexus compliance is straightforward but requires consistent monitoring of thresholds.