District of Columbia Code
Part B - Subpoenas, Administration of Oaths, and Documents Concerning Police Officers and Firefighters
§ 1–301.22. Administration of oaths

The Mayor of the District of Columbia, the Chairman of the Council of the District of Columbia, and the members of the Council of the District of Columbia may administer oaths as part of their official responsibilities. No fee shall be collected for the administration of such oaths, and the power to administer such oaths shall not be utilized for personal purposes.
(May 19, 1982, D.C. Law 4-108, § 2, 29 DCR 1413.)
1981 Ed., § 1-338.1.
Council’s authority, power to investigate, issue subpoenas, and administer oaths, see § 1-204.13.