Montana State Business Tax Extension Filing Requirements
757 views | Last modified 3/20/2023 6:01:51 AM EST | Added by ExpressExtension Team

Any businesses operating in Montana (C-Corporation, Security Corporation, Corporate Combined,  partnership, and fiduciaries) are granted an automatic extension of time to file the Montana business income tax return. 

Extension Form to use    

There is no state-specific form to request an extension, as the state of Montana automatically provides the extension for up to 6 months for businesses to file an income tax return with the state.

Due date to file Montana business income tax Extension

• C-corporation: 15th day of the 5th month after the close of the tax year. For calendar year filers, it is May 15. 
• Pass-through entities: 15th day of the 3rd month following the end of the accounting period. For calendar year filers, it is March 15. 
• Fiduciaries: 15th day of the 4th month following the end of the accounting period. For calendar year taxpayers, it is April 15.

Montana business income tax Extension Filing Method (Paper/Electronic)

Montana supports both Paper and electronic filing options.

How to pay the state tax due?    

You can pay your tax due using any of the following options:

• File and pay using an approved corporate income tax software provider,
• Make ACH Credit Payments.
• Use Payment Form SB- if your business comes under S-corporation, Use Payment voucher Form PR- If your business is a partnership, Use the Montana Corporate Income Tax Return (Form CIT), if you’re  C-corporation, Use the Montana Estate or Trust Tax Payment Voucher (Form FID), if you’re trust or estates.

Does ExpressExtension support this State filing?    

Montana business extensions are automatic, which means there is no application to submit.

Any Special Requirements?

An extension of time to file is not an extension of time to pay. Your Montana tax must still be paid by the original due date of the return or penalties and interest will apply. 

For detailed information on  Montana business tax extension Filing Requirements, Click here.