Colorado Register Publishing Calendar

You must still complete your filing within 20 days of adoption, regardless of the publication deadline.

Filings must be submitted by the 15th and last day of each month.

Submission into the Colorado Register depends on if the documents are approved for accessibility by our office. Our office will review documents for accessibility within 3 business days of the submission. Rejected documents must be resubmitted at least 5 days before the date in the "Register publication date" column for accessibility review.

Filing period Register publication date Volume / Issue Earliest hearing
or effective date
January 01 - January 15, 2026 January 25, 2026 Vol. 49, No. 02 February 14, 2026
January 16 - January 31, 2026 February 10, 2026 Vol. 49, No. 03 March 02, 2026
February 01 - February 15, 2026 February 25, 2026 Vol. 49, No. 04 March 17, 2026
February 16 - February 29, 2026 March 10, 2026 Vol. 49, No. 05 March 30, 2026
March 01 - March 15, 2026 March 25, 2026 Vol. 49, No. 06 April 14, 2026
March 16 - March 31, 2026 April 10, 2026 Vol. 49, No. 07 April 30, 2026
April 01 - April 15, 2026 April 25, 2026 Vol. 49, No. 08 May 15, 2026
April 16 - April 30, 2026 May 10, 2026 Vol. 49, No. 09 May 30, 2026
May 01 - May 15, 2026 May 25, 2026 Vol. 49, No. 10 June 14, 2026
May 16 - May 31, 2026 June 10, 2026 Vol. 49, No. 11 June 30, 2026
June 01 - June 15, 2026 June 25, 2026 Vol. 49, No. 12 July 15, 2026
June 16 - June 30, 2026 July 10, 2026 Vol. 49, No. 13 July 30, 2026
July 01 - July 15, 2026 July 25, 2026 Vol. 49, No. 14 August 14, 2026
July 16 - July 31, 2026 August 10, 2026 Vol. 49, No. 15 August 30, 2026
August 01 - August 15, 2026 August 25, 2026 Vol. 49, No. 16 September 14, 2026
August 16 - August 31, 2026 September 10, 2026 Vol. 49, No. 17 September 30, 2026
September 01 - September 15, 2026 September 25, 2026 Vol. 49, No. 18 October 15, 2026
September 16 - September 30, 2026 October 10, 2026 Vol. 49, No. 19 October 30, 2026
October 01 - October 15, 2026 October 25, 2026 Vol. 49, No. 20 November 14, 2026
October 16 - October 31, 2026 November 10, 2026 Vol. 49, No. 21 November 30, 2026
November 01 - November 15, 2026 November 25, 2026 Vol. 49, No. 22 December 15, 2026
November 16 - November 30, 2026 December 10, 2026 Vol. 49, No. 23 December 30, 2026
December 01 - December 15, 2026 December 25, 2026 Vol. 49, No. 24 January 14, 2027
December 16 - December 31, 2026 January 10, 2027 Vol. 50, No. 01 January 30, 2027