do missouri require a copy of my federal return
If you receive an extension of time to file your federal income tax return, you will automatically be granted an extension of time to file your Missouri income tax return. Attach a copy of your federal extension (Federal Form 4868 or 2688) with your Missouri income tax return when you file.If you expect to owe income tax, file Form MO-60 with your payment by the original due date of the return.ou may be entitled to claim a credit against your Missouri tax liability for the income taxes paid to the other state. To determine your allowable credit, complete Form MO-CR (Credit for Income Taxes Paid to Other States). You must include a copy of the other state's return.