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otr

Office of Tax and Revenue

OTR will host its annual Tax Practitioner’s Institute on Tuesday, January 13, 2026, beginning at 9 am. The workshop will be offered in a hybrid format, with an in-person session and a virtual option via Microsoft Teams. The seminar is free, but registration is required. Register here.

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Tax Law and Guidance

Contact the Office of Tax and Revenue's Office of the General Counsel at (202) 442-6500 or via email for clarification of a District tax statute or to comment on information posted here.

DC Code and Regulations

  • DC Code - The official codified laws of the District of Columbia, maintained by the DC Council.
  • District of Columbia Municipal Regulations (DCMR) - The DCMR includes administrative rules, executive agency policies, and other legal documents that apply to District residents and businesses.

Reference Materials

Legislative Information

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