Missouri

State of Missouri Business Income Tax Extensions

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General Instructions

Missouri corporation tax returns are due by the 15th day of the 4th month after the close of the tax year. For calendar year filers, this date is April 15. If you cannot file on time, you can get a Missouri tax extension.

Keep in mind, a tax extension only gives you more time to file, not to pay. Any Missouri tax owed must be paid by the original deadline (April 15) to avoid penalties.

If you have a valid Federal business extension (IRS Form 7004), the State of Missouri will automatically grant you a state business extension for the same amount of time. Note that the Federal extension gives corporations 6 extra months to file, moving the deadline to October 15 (for calendar year taxpayers).

If you don’t have a Federal extension, you can request a state extension using Missouri Form MO-7004 (Application for Extension of Time to File). Form MO-7004 will give you a 180-day extension for filing your Missouri return. Remember to submit Form MO-7004 by the original due date of your return (April 15). You can also use Form MO-7004 to make a Missouri tax payment with your extension request.

NOTE: You do not need to file Form MO-7004 if you owe zero Missouri tax and you have a valid Federal extension.

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

Missouri State Income Tax Extension Forms

 

Form MO-7004 (Application for Extension of Time to File): dor.mo.gov/forms/MO-7004.pdf

 

Mail to the following address (Corporations):

Missouri Department of Revenue

P.O. Box 3365

Jefferson City, MO  65105-3365

 

Mail to the following address (Banks, Credit Unions, Savings and Loan):

Missouri Department of Revenue

P.O. Box 898

Jefferson City, MO  65105-0898