What is the process for amending my tax return?
The process of amending a tax return with the Michigan Department of Treasury involves a few specific steps. First, individuals must complete the appropriate amendment form, which is typically the Michigan Individual Income Tax Amended Return, known as Form 1040X. This form allows taxpayers to correct errors or omissions in their original tax return, whether those are related to income, deductions, credits, or any other relevant information.
Once the form is completed, individuals should ensure they have attached any necessary documentation that supports the changes being made. This might include additional schedules, forms, or amended W-2s. It is important for taxpayers to provide clear explanations for any changes on the form itself, as this can help clarify the reasons for the amendment to the Department.
After completing the amendment form and gathering the required attachments, individuals must mail the amended return to the address specified in the instructions for the form. As a reminder, amended returns cannot be filed electronically in Michigan, so the submission must be done by mail.
It is advisable to keep a copy of the amended return and all supporting documents for one's own records. Additionally, for the most accurate and up-to-date information, individuals should consult the relevant sections of the Michigan Department of Treasury website, where further details and guidance can be found, including current contact information if additional inquiries arise.

Answered Jul 13, 2025
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