Where's My Refund? and Individual Income Tax (IIT) E-Services Issues

Please use the IIT Inquiries Portal to report your issue.

Business Tax E-Services Issues

Please use the Business Tax Ask a Question Portal to report your issue.

Michigan Treasury Online (MTO) Issues

Please use the MTO Contact Form to report your issue.

General Web Page Issues

Have a suggestion about improving a Web page? Want to report a page error or broken link?

To best serve you, please include the URL for any page you are referencing and send an email to Treas_SOS_WebRequest@michigan.gov.