PTC Application Assistance has Moved to the CDOR Pierce Location in Lakewood
Save time! You can now schedule an appointment before your visit. Click here to learn more.
Announcements & Updates
IRS 2020 Tax Filing Begins February 12th
The Internal Revenue Service (IRS) announced that the tax agency will begin accepting and processing 2020 tax year returns on Friday, February 12, 2021.
Bulk Printed Forms No Longer Available
To help conserve our natural resources, the Department is no longer providing printed tax booklets and forms in bulk. Visit the Forms in Number Order web page to download forms.
Power of Attorney (POA) Changes
Beginning January 1, 2021, the Department will no longer accept IRS Form 2848. The Department will continue to accept the Colorado Tax Information Authorization or Power of Attorney (DR 0145) form.
Important Form 1099-NEC Information
Beginning January 15, 2021, you can submit Form 1099-NEC to the Colorado Department of Revenue via email.
COVID-19 Updates
A temporary state sales tax deduction is now available for qualifying retailers primarily in the bar, restaurant, and the mobile food services industries. The deduction is allowed to be retained by the business to provide assistance from business disruptions due to COVID-19 pandemic. Visit the COVID-19 Sales Tax Relief web page for more information and filing instructions.
We are proud to serve the great people of Colorado as efficiently and safely as possible. We appreciate your patience and understanding as we adapt to keep you and our staff safe.
All of the Taxpayer Service Centers are now open by appointment only for in-person visits. For more information and to schedule an appointment, go to the Visit a Taxpayer Service Center web page.
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Rulemaking Announcements