Jump to navigation
The Colorado Department of Revenue recognizes that most taxpayers want to comply with state tax laws. The Taxation Division provides many ways to learn about Colorado taxes including online or in-person sales tax classes, instructional and informational videos, FYI publications, tax regulations, letter rulings and much more. We've organized our most commonly used education and research resources on this webpage.
Colorado Department of Revenue Forms
Colorado Department of Revenue Reference Publications
These videos contain detailed information to address taxpayers' frequently asked questions and common filing errors.
Sign up for our free email subscription service to receive notifications when new tax information is available. With a subscription, you automatically receive updates without having to return to the website and check for changes. Your email address will only be used to deliver the information you've requested. Please select one (or more) from the list below and follow the sign-up prompts. Return to this page to sign-up for more than one list.
Revenue Bulletin 18-01: ALL PRIOR REVENUE BULLETINS RESCINDED