Between the hours of 9:00 p.m. and 7:30 a.m., a vehicle displaying a valid residential parking permit may park, within a designated residential permit parking ("RPP") zone, in the following locations:
An RPP sticker shall not authorize the vehicle displaying the sticker to stand or park in any place or during any time when the stopping, standing, or parking of motor vehicles is prohibited or set aside for specific types of vehicles, nor shall it provide an exemption from the observance of any traffic regulation other than the RPP two (2) hour parking limit, where available, and the exemptions listed in §§ 2439.1 and 2440.
D.C. Mun. Regs. tit. 18, r. 18-2440