The Latest
Looking for Tax Credit Information? The Tax Navigator Can Help
The Tax Navigator will guide you to information about the Federal Child Tax Credit, PTC Rebate, commonly claimed Colorado income tax credits, and much more.
Small Business Destination Sourcing Exception Ending Soon
Small businesses with less than $100,000 in retail sales need to transition to destination sourcing by February 1, 2022.
When is My Tax Return Due? Check the Tax & Fee Due Date Guide
The Colorado State Tax & Fee Due Date Guide shows filing and payment deadlines for both business and individual taxes.
Businesses Can Now File a Sellers Claim for Refund Online
You can use Revenue Online to file a Sellers Claim for Refund for a variety of tax types. Filing online saves mailing time and reduces errors.
Rulemaking Announcements
November 5, 2021
On November 5, 2021, the Colorado Department of Revenue, Division of Taxation, announced that it is convening a stakeholder workgroup
October 28, 2021
The Colorado Department of Revenue, Division of Taxation, will hold a public rulemaking hearing on the following sales tax rule at 10:00 A.M.
Online Filing Tools
Sales & Use Tax System (SUTS)
Geographic Information System (GIS)
Did you know that DOR has a Free Business Tax Class Webinar?
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