Individual Income Tax Return Extension Deadline on October 16, 2023

LANSING, Mich. – Taxpayers who requested an extension to file their individual income tax returns have less than a week to file a complete and accurate return, according to the Michigan Department of Treasury (Treasury).

Individual income tax returns due under an extension must be received by Treasury on or before Oct. 16, 2023. Returns can be sent through the U.S. Postal Service or e-Filed.

For the convenience of taxpayers, the extension deadline is the same as the Internal Revenue Service.

“If you haven’t filed your individual income tax return yet – regardless of an extension -- please consider doing so today,” said Deputy State Treasurer Glenn White, who oversees Treasury’s Revenue Services programs. “Some individuals who haven’t filed could be entitled to a refund due to tax credits or other forms of assistance. Please contact us if you have questions about filing a return.”

Taxpayers who have yet to file their individual income tax return should consider:

• Filing a return to claim an outstanding refund. Taxpayers risk losing their state income tax refund if they don't file a return within four years from the due date of the original return. Go to www.michigan.gov/mifastfile to learn more about e-filing.  
  
  
• Filing a return to minimize interest and penalties. File returns and pay now to limit interest charges and late payment penalties. An extension of time to file is not an extension of time to pay. Penalty and interest on the tax due is applicable from the original due date of the return until payment is received. 
  
  
• Paying as much tax as possible. If taxpayers owe outstanding taxes and can't pay in full, they should pay as much as they can when they file their tax returns. Payments can be made using Michigan's e-Payments service. When mailing checks, carefully follow tax form instructions. Treasury will work with taxpayers who cannot pay the full amount of tax they owe.

Questions?

Michigan taxpayers who have questions about or need help with their individual income tax returns or refunds can digitally connect with the state Treasury Department through its Treasury eServices platform. Questions can also be directed to the Individual Income Tax Information Line at 517-636-4486.

To learn more about Michigan's individual income tax or to download forms, go to Michigan.gov/IncomeTax. For more information from Treasury, go to Michigan.gov/Treasury or follow @MiTreasury on X, formerly known as Twitter.

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