Related links
Individuals | Department of Revenue - Taxation
Individual Income Tax Filing Information Pay Individual Income Tax Wheres My Refund? Tax Fraud Prevention Unemployment Information (CDLE)
Learn more
Filing Income Tax Forms Frequently Asked Questions
In Colorado, we also file a state income tax return with the State of Colorados Department of Revenue to reconcile our state income tax bill. 2. Do I have to
Learn more
Instructions for Form 7004 (Rev. December 2017)
Feb 1, 2018 Use Form 7004 to request an automatic extension of time to file certain business income tax, information, and other returns. The extension will
Learn more