D.C. Mun. Regs. tit. 7, § 1539
1539.1 Pursuant to the District of Columbia Administrative Procedure Act, D.C. Code §2-501 et seq. (2001), rules and regulations adopted by the Board that affect legal rights, duties, or privileges of specific parties shall be filed in the District of Columbia Office of Documents, and non-emergency rules and regulations shall not become effective, unless otherwise provided by law, until after they are published in the District of Columbia Register.