City of Detroit Employer Withholding Tax
Return Due Dates
Monthly Returns
Forms and payments (if applicable) are due on the 15th day of the month following the month in which the tax was withheld.
Quarterly Returns
Forms and payments (if applicable) are due on the 15th day of the month following each quarter.
Annual Reconciliation Returns
Forms and payments (if applicable) are due on the last day of February following the tax year end.
Note: If a due date falls on a Saturday, Sunday, or State holiday, the due date will be the next business day.
Register for Withholding
As long as the business is registered for State of Michigan taxes there is no separate registration process for City of Detroit Withholding. Submit returns using the Federal Employer Identification Number.
If the business is not registered for Michigan taxes but is required to do so, contact the Michigan Department of Treasury's Business Tax Registration unit at 517-636-6925.