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How to file the DC tax registration (Washington, DC)

Register with the Office of Tax and Revenue on the FR-500. Every basic business license applicant must be registered and in good standing, and the license application checks the tax number for Clean Hands.

DC Office of Tax and RevenueWashington, DCUpdated October 17, 2026

Agency
DC Office of Tax and Revenue
Where it applies
Washington, DC
How it's filed
Filed online
Fee
VariesThe agency's page lists no fee for this.
How long it takes
The Office of Tax and Revenue may take up to 10 business days to process a new registration.

Official links

Checked against the agency's own page.

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