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Last Updated: 7/16/2018

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Individual Income Tax

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Individual Income Tax > File and Pay > Income Tax Return: Penalties and Interest

  • I filed my tax return on Oct. 15 and paid my balance due at the same time. Why did I get a bill for additional tax?Back to top

    Although Minnesota allows you to file your tax return as late as Oct. 15, you still must pay any tax you owe by April 15. If you don’t pay by then, you’re charged a late-payment penalty and interest which starts  accruing on April 15th.