Below are deadlines for Colorado compliance report filing.
The Filing Deadline information provided here is offered only as a reference aide. The provided deadline information may contain inaccuracies and may not include all special elections or deadlines. For agency specific details please visit the Colorado Filing Calendars page.
527 Political Organization
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Candidate
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 05/31/2026 – 06/29/2026: CO RCE Major
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/04/2026 – 11/02/2026: CO RCE Major
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Independent Expenditure
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Issue Committee
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 05/31/2026 – 06/29/2026: CO RCE Major
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/04/2026 – 11/02/2026: CO RCE Major
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Multi-Agency Federal PAC
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Party
- 05/04/2026: CO RCE – Party (State Frequent Party Filers)
- 05/18/2026: CO RCE – Party (State Frequent Party Filers)
- 05/31/2026 – 06/29/2026: CO RCE Major
- 06/01/2026: CO RCE – Party (State Frequent Party Filers)
- 06/15/2026: CO RCE – Party (State Frequent Party Filers)
- 06/29/2026: CO RCE – Party (State Frequent Party Filers)
- 08/02/2026: CO RCE – Party (State Frequent Party Filers)
- 09/08/2026: CO RCE – Party (State Frequent Party Filers)
- 09/21/2026: CO RCE – Party (State Frequent Party Filers)
- 10/04/2026 – 11/02/2026: CO RCE Major
- 10/06/2026: CO RCE – Party (State Frequent Party Filers)
- 10/19/2026: CO RCE – Party (State Frequent Party Filers)
- 11/02/2026: CO RCE – Party (State Frequent Party Filers)
- 12/08/2026: CO RCE – Party (State Frequent Party Filers)
Political Action Committee (PAC)
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 05/31/2026 – 06/29/2026: CO RCE Major
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/04/2026 – 11/02/2026: CO RCE Major
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Small Donor Committee
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
Small Scale Issue Committee
- 05/04/2026: CO RCE (State Frequent Filers)
- 05/18/2026: CO RCE (State Frequent Filers)
- 06/01/2026: CO RCE (State Frequent Filers)
- 06/09/2026: CO RCE (County Frequent Filers)
- 06/15/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (State Frequent Filers)
- 06/29/2026: CO RCE (County Frequent Filers)
- 07/15/2026: CO RCE (State Infrequent Quarterly Filers- 2nd Quarter)
- 08/02/2026: CO RCE (State Frequent Filers)
- 08/04/2026: CO RCE (County Frequent Filers)
- 09/08/2026: CO RCE (State Frequent Filers)
- 09/21/2026: CO RCE (State Frequent Filers)
- 10/06/2026: CO RCE (State Frequent Filers)
- 10/13/2026: CO RCE (County Frequent Filers)
- 10/15/2026: CO RCE (State Infrequent Quarterly Filers- 3rd Quarter)
- 10/19/2026: CO RCE (State Frequent Filers)
- 10/30/2026: CO RCE (County Frequent Filers)
- 11/02/2026: CO RCE (State Frequent Filers)
- 11/02/2026: CO RCE (County Annual/Infrequent Filers)
- 12/08/2026: CO RCE (State Frequent Filers)
- 12/08/2026: CO RCE (County Frequent Filers)
- 01/15/2027: CO RCE (State Infrequent Quarterly Filers- 4th Quarter)
You’re able to add Filing Deadlines found in ISP to your own digital calendar with our Calendar Feed tool.
To see more information about Colorado compliance report filing with ISP, please visit our Colorado Filing and FAQ Resources page.
