Sales Tax Basics

Need a Sales Tax License?
Start with Colorado Business Express or download the CR 0100 application. You may also want to download the Points of Compliance Tool Kit.  Note: If you are an out-of-state business, you must use the CR 0100 application and see FYI Sales 5: Sales Tax Information For Out-of-State Businesses.

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.

Learn More With CDOR
Have Employees and Need a Withholding Account?
Visit the Withholding Account webpage.