The eTaxpayer Service Center operated by the Office of Tax and Revenue provides secure, online tax registration, filing and payment, and account inquiries for District of Columbia business taxpayers. The site supports payment via credit card and electronic funds transfer.

All new businesses may use the site to submit their FR-500 Combined Business Tax Registration Applications. The online FR-500 application includes an optional registration for online filing and payment of business taxes. Existing businesses may also register to file and pay their taxes electronically at the eTaxpayer Service Center.

Obtain Federal Employer Identification Number
Find out how to obtain a Federal Employer Identification Number, also known as a Federal Tax Identification Number.

Complete the Combined Business Tax Registration for DC
Completing the FR-500 Combined Business Tax Registration satisfies the initial registration requirement for most DC taxes.

Citywide Incentives
To reduce your tax bill, find out about incentives for businesses operating in the District.

IRS Tax Center
The Government of the District of Columbia, in partnership with the US Internal Revenue Service, provides an IRS Tax Center for small businesses and self-employed individuals.

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