How do I amend my 2024 Colorado state tax return to claim the TABOR state sales tax refund?

Some Colorado TurboTax customers have overpaid their state taxes due to an error with the TABOR sales tax refund. 

If we notified you, we recommend you submit an amended state tax return 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:

You must amend before October 15, 2025 to receive the refund.

• Use TurboTax to amend your state tax return.
  • Enter “TO CLAIM THE TABOR STATE SALES TAX REFUND” 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 a specialist. Mention 2024 CO TABOR Refund so they know what you’re calling about.