D.C. Code § 5-105.06
On and after June 20, 1942, the Mayor of the District of Columbia may assign to duty as assistant to the inspector commanding the detective bureau in the Metropolitan Police Department any officer or member of the Metropolitan Police force and, during the period of such assignment, the said officer or member shall hold the rank and receive the pay of a captain of police and shall be eligible for assignment, by the said Mayor, as chief of detectives. For the duration of such latter assignment such officer or member shall hold the rank and receive the pay of a Deputy Chief of Police.
D.C. Code § 5-105.06
Office of Major and Superintendent of Metropolitan Police abolished: See Historical and Statutory Notes following § 5-105.01.
Merit system, application to police officers and firefighters, see § 1-632.03. .