On February 24, 2026, the Colorado Department of Revenue, Division of Taxation, adopted 12 rules regarding mandatory electronic filing and payment of certain taxes and fees and sales fax filing schedules. The adoption was based on the public rulemaking hearing held on January 15, 2026.
The Colorado Department of Revenue, Division of Taxation, is seeking public input regarding a draft of a new rule on the motor vehicle daily rental fees. The Department has prepared the following draft 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 two revised tobacco and nicotine products tax rules regarding the definition of manufacturer’s list price. 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, is hosting a second workgroup meeting to discuss the promulgation of a new sales tax rule regarding leases. The Department has revised its draft rule based on stakeholder comments it received in writing and at a prior workgroup meeting held May 20, 2025.
On January 9, 2026, the Colorado Department of Revenue, Division of Taxation, adopted five income tax withholding rules. The adoption was based on the public rulemaking hearing held on October 2, 2025.
The Colorado Department of Revenue, Division of Taxation, is seeking public input regarding drafts of the following new and amended master settlement agreement and tobacco and nicotine products tax 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, will hold a public rulemaking hearing on the tax rules listed below at 10:00 a.m. on January 15, 2026.
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.