D.C. Code § 50-2441
Parking Enforcement Management Administration.
(a) There is established a Parking Enforcement Management Administration ("PEMA") within the Department, the purpose of which is to provide:
(1) On-street parking enforcement services, including ticketing for parking violations, immobilization, and impoundment;
(2) Removal of abandoned and dangerous vehicles; and
(3) Management of impounded vehicles.
(b) PEMA shall perform 3 primary organizational functions:
(1) Removal of abandoned or dangerous vehicles from any public right-of-way, public space, or private property;
(2) Enforcement of the District's parking regulations to promote vehicular safety and access to short-term parking at meters and long-term parking on residential streets; and
(3) Immobilizing and impounding immobilization-eligible vehicles on public space and relocating illegally parked vehicles impeding public rights-of-way.