2026 State Frequent Filing Calendar

2026 State frequent filing calendar (PDF)

Primary Election: Tuesday, June 30, 2026

General Election: Tuesday, November 3, 2026

Monthly / biweekly calendar

This calendar applies to (refer to Campaign Finance Rule 17):

  • State Political Parties
  • State Political Committees
  • State Small Donor Committees
  • State 527 Political Organizations
  • State Independent Expenditure Committees
  • State candidates and state candidate committees whose office appears on the June 30,2026 Primary and / or the November 3, 2026 General Election Ballot
  • State Issue committees whose issue attempts access to or appears on the November 3,2026 General Election Ballot
Report due date Reporting period
May 4, 2026 December 5, 2025, or January 1, 2026, through April 29, 2026
May 18, 2026 April 30, 2026, through May 13, 2026
May 31, 2026 Starts the 30-day period for 24 Hour Major Contributor & 48 Hour Independent Expenditure Reports; and the Electioneering Communication period - see additional Information
June 1, 2026 May 14, 2026, through May 27, 2026
June 15, 2026 May 28, 2026, through June 10, 2026
June 29, 2026 June 11, 2026, through June 24, 2026
August 2, 2026* June 25, 2026, through July 27, 2026
September 8, 2026* July 28, 2026, through September 2, 2026
September 21, 2026 September 3, 2026, through September 16, 2026
October 4, 2026 Starts the 30-day period for 24 Hour Major Contributor and 48 Hour Independent Expenditure Reports - see additional Information
October 6, 2026* September 17, 2026, through September 30, 2026
October 19, 2026 October 1, 2026, through October 14, 2026
November 2, 2026 October 15, 2026, through October 28, 2026
December 8, 2026 October 29, 2026, through December 3, 2026

*Date is affected by holiday or weekend.

Additional information

  • Small-Scale Issue Committees (SSIC) are not required to file disclosure reports until they exceed $5,000 in activity. For more details, please review 1-45-108(1.5) and (2), C.R.S.
  • Electioneering Communication (EC) time period starts 30 days before the Primary Election and continues through the day before the General Election. These types of communications mention one or more candidates and are part of the regular / standard reports for registered committees and may require non-registered person(s), organizations, etc., to file a separate report.
  • 24-Hour Notice of Major Contributor reports are required starting 30 days before a Primary Election and 30 days before the General Election. These reports are due within 24 hours of receiving a major contribution. A major contribution is a contribution of $1,000 or more that is received within the 30 days before the Primary Election and 30 days before the General Election. This is in addition to the regular/standard reports listed above and applies to:
    • Candidate Committees whose office appears on the Primary and / or General Election Ballot,
    • Political Parties, and
    • Issue Committees (only applies the 30 days before the General Election).
  • 48-Hour Notice of Independent Expenditure reports are required starting 30 days before a Primary Election and 30 days before the General Election. These reports are due within 48 hours of obligating / spending funds in excess of $1,000 for an Independent Expenditure (to support or oppose one or more candidates). This is in addition to the regular/standard reports listed above and applies to:
    • Independent Expenditure Committees

Questions?

Contact the Campaign Finance Support Team or review the Colorado Campaign and Political Finance manual (PDF).

Reporting: TRACER
Email: CPFHelp@coloradosos.gov
Telephone: 303-894-2200