Michigan Department of Treasury – Withholding Tax
Michigan Unemployment Insurance Agency – Unemployment tax
Add to existing company setup
Submit a request to your service team to add MI (withholding) and/or MISUI (unemployment) to your company setup. Please include the below with your request:
- Withholding – Withholding account number and Deposit Frequency. If you’re unsure of your deposit frequency or account number you can call the agency at 517-636-4730.
- Unemployment – Account Number and Tax rate. This can be found on a Tax Rate Notice or the Quarterly contribution report. If you’re unsure of your tax rate or account number, you can call the agency at 313-456-2010.
- Power of Attorney- POA is required, please obtain the prefilled form from your client service representative.
Register a new company
Michigan Department of Treasury
Employers can register online at https://miwam.unemployment.state.mi.us/mip/ereg/_/. Select Create User Profile. Follow the prompts to setup your MTO account and register your business. Once completed you will receive your account number and deposit frequency.
Michigan Unemployment Insurance Agency
Register online at http://www.mass.gov/lwd/unemployment-insur/employers/. Select eRegistration to begin. Once completed you will receive your account number within 3 days.
Third Party Registration and/or Power of Attorney Instructions
Power of Attorney is required, please obtain the prefilled form from your client service representative.