Attention, all Taxation Division offices will close at 3 p.m. Thursday, May 9. Offices will reopen at their normal times on Friday, May 10.

 
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Tax Rules

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Rulemaking Announcements

On March 11, 2024, the Colorado Department of Revenue, Division of Taxation, adopted four income tax rules.
The Colorado Department of Revenue, Division of Taxation, is hosting a workgroup meeting on March 27, 2024, at 10 a.m. to study the Colorado Child Care Contribution Credit (credit) pursuant to
On February 22, 2024, the Colorado Department of Revenue, Division of Taxation, adopted two income tax rules.