Who to Contact For Help
Email and Frequently Asked Questions -- Online Taxpayer Help
The Online Taxpayer Help has answers to commonly-asked Colorado tax questions. The Top 20 most-asked questions and answers are displayed on the opening page. Your question may be one of the current Top 20. Or, use the "Search Here" box to type in the words that describe what you want to know. Answers related to your search will be displayed on the screen.
If you still have a question after you click on the answers or you have a question about a tax account, click on the "Send Us An E-mail" tab. The email option is available only after you view an online answer.