How do I amend my 2023 Colorado state tax return to claim my Colorado Earned Income Tax Credit?

by TurboTax •   1
Updated March 26, 2026 11:24 AM

Some Colorado TurboTax customers have overpaid their state taxes due to an error with the Colorado Earned Income Tax Credit. 

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.

  • Use TurboTax to see if you need to amend your state tax return. 

    • Enter “TO CLAIM THE EARNED INCOME TAX CREDIT”  as the reason for amending.

  • Follow the instruction to efile your Colorado amended 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 ET) to speak with a specialist. Mention 2023 Colorado Earned Income Tax Credit so they know what you’re calling about.

Found what you need?

Already have an account? Sign in

(4.7/5 | 191,149 reviews)

TurboTax flag icon

Unlock tailored help options in your account

Person smiling while representing TurboTax

Get answers to all your tax questions

Our experts are available on-demand, no appointment needed. Get help all year long with TurboTax Expert Assist.

Intuit Logo
TurboTax LogoCreditKarma LogoQuickBooks LogoMailChimp Logo

©1997-2026 Intuit, Inc. All rights reserved.
Intuit, QuickBooks, QB, TurboTax, Credit Karma, and Mailchimp are registered trademarks of Intuit Inc. Terms and conditions, features, support, pricing, and service options subject to change without notice.

Security Certification of the TurboTax Online application has been performed by C-Level Security.

By accessing and using this page you agree to the Terms of Use.