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.
Tax Rules
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Rulemaking Announcements
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.