TY2025

We are aware of an issue where a not approved message may be encountered when attempting to print form 8879 from the print center, while doing a custom print, or directly from the form. We are working to correct the issue.

The Colorado Department of Revenue (DOR) expects to begin issuing electronic filing acknowledgments (acks) for returns on or after the dates listed below: Individual and Corporate returns: January 26, 2026. S Corporation and Partnership returns: January 30, 2026. Fiduciary returns: February 4, 2026. While you will receive acknowledgments from the state, they will not begin processing e-filed returns until later. As a result: Acks for some returns may still be delayed or continue to show as pending during this initial period. Refunds will be delayed. Direct debit paymen...