How do I amend my 2024 Montana state tax return to correct the itemized deductions?

by TurboTax •   6
Updated January 8, 2026 7:39 AM

Some Montana TurboTax customers have overpaid their state taxes due to an error with their itemized deductions. 

If we notified you, we recommend you review your state return and, if needed, amend it as soon as possible. By filing an amended return, you’ll be able to get the money back in your pocket where it belongs!

To correct your return, please follow the steps below:

  • Use TurboTax to amend your state tax return.  

    • Enter “TO CORRECT ITEMIZED DEDUCTIONS“ as the reason for amending.

  • Follow the instructions provided by TurboTax to efile the amended state tax return. 

  • Save a copy of your amended state tax return for your records.

If you have questions, call 844-333-2161 (Monday–Friday, 6 AM to 6 PM MT) to speak with an expert. Mention 2024 MT Itemized Deductions so they know what you’re calling about.

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