The Colorado Department of Revenue, Division of Taxation, will hold a public rulemaking hearing on the tax rules listed below at 10:00 a.m. on January 15, 2026.
We are pleased to release our final report with the recommendations resulting from our study of the Sales and Use Tax System (SUTS). A copy of the report may be accessed below.
The Colorado Department of Revenue, Division of Taxation, is hosting a virtual workgroup meeting to discuss the promulgation of new and amended tax rules regarding mandatory electronic filing and payment of certain taxes and fees. The Department has prepared the draft rules below to aid in the process of soliciting public comments.
The Colorado Department of Revenue, Division of Taxation, will hold a public rulemaking hearing on the income tax withholding rules listed below at 10 a.m. on October 2, 2025.
This hearing will be conducted virtually and will be recorded. The Department has created a Virtual Rulemaking Hearing Guide that provides additional information for participants.
The Colorado Department of Revenue, Division of Taxation, is seeking public input regarding drafts of the following new and amended rules. The Department has prepared the following drafts to aid in the process of soliciting public comments.
The Colorado Department of Revenue, Division of Taxation, is hosting a workgroup meeting to discuss the promulgation of a new sales tax rule regarding leases. The Department has prepared the draft rule below to aid in the process of soliciting public comments.
Thank you to those who have participated in our workgroup to date. Recordings of prior meetings, and other meeting materials, may be accessed from the public drive for the workgroup.
Thank you to those who participated in the first workgroup meeting on February 28, 2025. The recording of that meeting, along with other meeting materials, may be accessed from the public drive for the workgroup.
The Colorado Department of Revenue, Division of Taxation, is seeking public input regarding a draft of the following new rule. The Department has prepared the draft below to aid in the process of soliciting public comments.
The Colorado Department of Revenue, Division of Taxation, is hosting a workgroup meeting to discuss the promulgation of a new rule regarding the sales tax treatment of mainframe computer access. The Department has prepared the draft rule below to aid in the process of soliciting public comments.
To access recordings, comments, and other materials, please use the public drive.