An Overview of Missouri State Personal Income Tax Extension Forms

- Updated March 24, 2021 - 8.00 AM by Admin, ExpressExtension

Does Missouri support tax extension for personal income tax returns?


Yes. The state of Missouri requires individuals to file a Federal Form 4868 rather than requesting a separate state tax extension.

In case the federal tax extension Form 4868 was rejected, then the individuals can file State Tax extension form MO-60.

What Form does the state of Missouri require to apply for an extension?


Individuals in Missouri need to file Form MO-60 with the state to get a 6-month extension of time to file their personal income tax returns Form IT-303 with the state.

  • form MO-60 - Request For Extension Of Time For Filing Individual Tax Returns

Note: Make sure to pay any taxes due along with the extension Form to avoid penalties and interest.

When is the deadline to file Form MO-60 with the state of Missouri?


Missouri State individual tax extension Form MO-60 must be filed on or before the 15th day of the 4th month after the tax year ends (April 15 for calendar year filers).

How do I pay my balance due along with the extension Form?


If you owe Missouri state taxes, you must pay your tax due by the regular due date, or you will be charged with penalties and interest.

Make a tax payment with your extension form using Form MO-60.

You can also pay the tax due online using or mailing your Form.

Mailing Address for filing Extension with the State


Where do I mail the extension Form MO-60?

Taxation Division
P.O. Box 3400
Jefferson City, MO 65105-3400