D.C. Code § 42-2903: Community police presence.

All Metropolitan police officers who reside in the District of Columbia shall be eligible to keep in their possession at all times, overnight and off-duty, the official vehicles assigned for patrol purposes. In assigning police vehicles to be taken by police officers while off-duty, the Chief of Police shall establish priorities based on District residency, dispersion by geographic locations, and other factors the Chief of Police may deem appropriate.