On Wednesday, August 20, 2025, IIT phone lines will be down for maintenance. However, you can access tax account information or ask a question online.
What types of payments can be made using the Michigan Individual Income Tax e-Payments system?
- Current Year Michigan Individual Income Tax (Tax due on the MI-1040)
- Michigan Estimated Income Tax for Individuals (MI-1040ES)
- Michigan Individual Income Tax Extension (Form 4)
The dropdown menu will identify the specific tax year and payment type currently available.