Sales Tax Basics
Need an account?
Start here with Colorado Business Express.
Got an account. Now what?
After you get your sales tax account, the following links to online services, information, publications and forms will help you get started filing returns, making payments and monitoring your account.
- Revenue Online: Sign up for account access, file your sales tax return and monitor your account.
- Special Event sales tax returns
- Electronic Funds Transfer: Learn more about it and register.
- If you cannot file online, use the DR 0100 sales tax form or the DR 0098 special events sales tax form. Warning: Filing on paper increases the chance of miscalculations which will result in billing notices.
- For Local Sales Tax Rates, see Revenue Online > Business > BusinessServices.
- Colorado Sales/Use Tax Rates: A comprehensive list of local taxes.
- Colorado Sales and Use Tax Reference Guide: Hints and tips on maintaining your tax account.
- Other Types of Tax Licenses (Publication FYI General 14)
- Sales to Other Sales Tax Account Holders and Exempt Organizations (Publication FYI Sales 1)
- Types of Sales Tax Licenses (Publication FYI Sales 9)
- Flea Market and Swap Meet Operators (Publication FYI Sales 55)
- Collecting Local Sales Tax (Publication FYI Sales 62)
- Tax Classes: Find a class at a location near you or see the information online.
Need a withholding account?
Visit the Withholding Basics Web page.