Tax Identification Number - Definition
All applicants must provide a registered Tax Identification Number (i.e., SSN or FEIN) at the time of application. Register by completing and filing a Combined Business Tax Registration Application (Form FR-500) with the Office of Tax and Revenue (OTR), 1101 4th Street, SW, Suite W270, Washington, DC 20024. Online registration is available at the Business Tax Service Center. For more information, contact the Tax Customer Service Center at (202) 727-4TAX (4829).
Tax ID, FEIN, SSN, EIN, TIN