D.C. Code § 47-2823
Office of Major and Superintendent of Metropolitan Police abolished: The Office of the Major and Superintendent of Metropolitan Police was abolished and all functions of that office transferred to and vested in the Chief of Police. The Assistant Superintendent, Executive Officer of the Metropolitan Police Department was designated "Deputy Chief of Police, Executive Officer"; the Assistant Superintendent of the Metropolitan Police in command of the Detective Bureau was designated "Deputy Chief of Police, Chief of Detectives"; and each other Assistant Superintendent of the Metropolitan Police was designated "Deputy Chief of Police" by Reorganization Order No. 7, dated September 16, 1952. Reorganization Order No. 7 was replaced by Organization Order No. 153, dated November 10, 1966.
Office of Chief Engineer abolished: The Office of Chief Engineer of the Fire Department was abolished and all functions of that office transferred to and vested in the Fire Chief. The Deputy Chief Engineer of the Fire Department was designated "Deputy Fire Chief," and the Battalion Chief Engineer was designated "Battalion Fire Chief" by Reorganization Order No. 6, dated September 16, 1952, issued pursuant to Reorganization Plan No. 5 of 1952. Reorganization Order No. 38, dated June 18, 1953, established a Fire Department headed by the Fire Chief. The Fire Chief was given full authority over the Department to be exercised in accordance with applicable laws, rules and regulations. The Order set up the organization of the Department, and provided that the previously existing Fire Department was abolished and its functions transferred to the new Department. This Order was issued pursuant to Reorganization Plan No. 5 of 1952.
Mayor, Council and other offices, application of certain sections to boards, commissions and committees, see § 1-321.02. .