If you owe MO income taxes, you will either have to submit a MO tax return or extension by the April 18, 2023 tax deadline in order to avoid late filing penalties. The extension will only avoid late filing penalties until Oct. 16, 2023. Note: Unless you pay all your Taxes or eFile your tax return by Oct.

Attach a copy of your federal extension (Federal Form 4868) with your Missouri income tax return when you file. For help filling out a federal or Missouri extension (or both), visit Menu Path: Personal > 2022 Extension > Start your 2022 Extension. Remember: An extension of time to file does not extend the time to pay.

Penalty Abatement State law allows the DOR to add a 100% penalty for employers who willfully attempt to evade income tax or sales or use tax. Individuals can face penalties of up to 30% of their tax liability. Unfortunately, however, the state does not advertise any penalty abatement programs.

You want a Missouri extension but not a federal extension. Form MO-60 is due on or before the due date of the return. A copy of Form MO-60 must be enclosed with the Missouri return when filed. An approved Form MO-60 extends the due date up to six months for the individual, composite, and shareholder income tax returns.

An approved Form MO-60 extends the due date up to six months for the individual income tax returns, and five months for fiduciary, and partnership income tax returns. •

Missouri grants an automatic extension of time to file to any individual, business filing a composite return, or fiduciary if you filed a federal extension. You do not need to file an Application for Extension of Time to File (Form MO-60) unless: • You expect to owe a tax liability for the period.

If you have a refund coming from the IRS—as about three out of four taxpayers do every year—then there is no penalty for failing to file your tax return by the deadline, even if you don't ask for an extension.