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How to file the colorado sales tax and withholding registration (CO)

A business with a Colorado location applies in MyBizColorado for the sales tax license and the wage withholding account (or on paper Form CR0100); MyBizColorado also connects you with the Department of Labor and Employment to set up unemployment insurance.

Colorado Department of RevenueCOUpdated October 17, 2026

Agency
Colorado Department of Revenue
Where it applies
CO
How it's filed
Filed online
Fee
Varies
How long it takes
Applied for online, the account number is shown online; the sales tax license arrives by mail.

Official links

Checked against the agency's own page.

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