Appointments to uniformed positions in the Metropolitan Police Department and Fire and Emergency Medical Services Department shall be limited to persons who are citizens of the United States.
A person who is a United States citizen, or a non-citizen authorized by the Immigration and Naturalization Service to be employed in accordance with part 109 of title 8 of the Code of Federal Regulations, may be appointed to any other position in the Career Service.
D.C. Mun. Regs. tit. 6, r. 6-B808