Where's My Refund? Check Your Refund Status 24/7
Did you know that you can check the status of your refund 24/7 by using Revenue Online?
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.