How to Prepare, File A Michigan Tax Amendment

Michigan State Taxes

Michigan
"The Great Lakes State"

When Do I Need to File My Michigan State Amended Tax Return?

You should file your Michigan amended tax return within 4 years of the original Michigan tax return deadline.

How Do I Fix My Michigan Tax Return or File a Tax Amendment in Michigan?

To make changes to your Michigan return, you should file a Michigan tax amendment. Here's how:

Download and complete Form MI-1040X-12.
Print out the amended return and mail it to either: Michigan Department of Treasury, Lansing, MI 48929 (if tax payment included) or Michigan Department of Treasury, Lansing, MI 48956 (no payment or receiving refund).

Michigan State Tax Amendment Forms (Download, Fill Out, Print Out, and Mail)

To file your amendment complete Form MI-1040X-12. If you need to file an amendment for Tax Years 2011 and prior, use Form MI-1040X. Follow the form instructions for specific steps and cases.

Form/Schedule	Description
Form MI-1040X-12	Michigan Amended Income Tax Return Form and Instructions
Form MI-1040X	Michigan Amended Income Tax Return Form and Instructions

How Can I Check the Status of My Amended Michigan Tax Return?

You can call the Michigan Department of Treasury at 800-649-3777.

What Are the Penalties, Interest, and Fees Related to Michigan State Amended Tax Returns?

The state of Michigan imposes a penalty on unpaid tax. If a tax bill was issued before February 28, 2003 then the penalty 5% per month until the tax is paid in full and the total penalty cannot exceed 50% of the tax due. For the first month the minimum tax penalty is 5% of the tax due or $10, whichever is greater.

The state of Michigan also charges a 4.4% interest rate on tax owed.