Tax Rules
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Rulemaking Announcements
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 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.