State of Missouri Personal Income Tax Extensions

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General Instructions

Missouri personal tax returns are due by the 15th day of the 4th month after the end of the tax year. For calendar year taxpayers, this date is April 15. If you cannot file on time, you can get a Missouri tax extension. A Missouri extension will give you 6 extra months to file your return, moving the deadline to October 15 (for calendar year filers).

Missouri personal extensions are automatic, which means there is no application to submit. If you owe zero Missouri tax or you’re due a state tax refund, you will automatically receive a Missouri extension. If you have a valid Federal tax extension (IRS Form 4868), you will automatically be granted a Missouri tax extension.

A tax extension does not give you more time to pay state income tax. To avoid interest and penalty charges, your Missouri tax must be paid by the original deadline (April 15).

If you don’t have a valid Federal extension, you can request a Missouri tax extension with Form MO-60 (Application for Extension of Time to File). If you owe state tax, you can also use Form MO-60 to make a Missouri extension payment (whether or not you have a Federal extension). Form MO-60 must be filed by the original deadline of your Missouri return (April 15 for most taxpayers).

To make an online payment for your Missouri extension, go to “Electronic Filing and Payments”: dor.mo.gov/personal/payonline

For more information, please visit the Missouri Department of Revenue website: dor.mo.gov

Missouri State Income Tax Payment Forms


Form MO-60 (Application for Extension of Time to File): dor.mo.gov/forms/MO-60.pdf


Mail with payment to the following address:

Taxation Division

P.O. Box 3400

Jefferson City, MO  65105-3400