DOR Taxation web site

Copy of Returns

To obtain a copy of your paper or electronic tax return, please complete Request for Copy (DR 5714). Please include the address where the copy will be mailed.

Mail the form to:

Tax Files
Colorado Department of Revenue
1375 Sherman St.
Denver, CO 80261
 

A third party who has a valid state or federal Power of Attorney may request a copy by attaching a copy of the Power of Attorney (DR 0145) to the DR 5714.

 

Other authorization forms, even if signed by the taxpayer, are not accepted by the department for release of confidential tax information or returns.