How can I obtain copies of previously filed returns?

To obtain copies of previously filed returns, you may use Check My Income Tax Info

For privacy and security reasons you will be asked for your social security number, name, tax year, adjusted gross income or total household resources and filing status.

Click on the above link and follow these steps:

  1. Select the option "Ask an Account Specific Question".
  2. To verify your identity, log in using the filer's social security number and name, then choose the option "Ask Treasury a Question".
  3. You will be asked to enter the tax year, your adjusted gross income/total household resources and filing status. Follow the directions given on the next page to request copies of previously filed returns.

Include your full name, complete current mailing address and the tax year you are inquiring about with your request.

Note: If you are unable to authenticate using your current tax year information, select the previous tax year return to authenticate with.  When you submit your question, explain that you selected a previous tax year to authenticate with.  Include the adjusted gross income, refund amount and tax year you are inquiring about.

You may also submit your request in writing to:

Michigan Department of Treasury
Customer Contact Section
P O Box 30058
Lansing, MI 48909

Include your full name, complete current mailing address, and the tax year you are inquiring about with your request. There is no charge for this service, but allow at least 30 days for delivery.

If you request copies of prior year returns filed four years ago or more, tax information may be sent to you in a microfiche version for that year.