D.C. Mun. Regs. tit. 31, r. 31-821
No taxicab shall be placed upon or occupy any taxicab stand except for the purpose of being held forth for hire. Taxicabs shall be placed on stands only from the rear and shall be moved forward and to the front of the stand immediately as space becomes available by the departure or movement of preceding taxicabs. It shall be within the passenger's discretion to determine which taxicab to engage on a taxi stand.
When a taxicab stand is occupied to its full capacity, no taxicab shall loiter or wait nearby for the purpose of occupying space on the stand. The operator of every taxicab occupying a stand shall stay within five feet (5 ft.) of his or her taxicab at all times.
In the event any taxicab on a taxicab stand attempts to leave, other taxicabs on the stand shall, if necessary, move so as to permit the taxicab to leave.
No taxicab stand shall be occupied by a taxicab in violation of regulations prohibiting parking, stopping, or standing on the street on which it is located during the hours 7:00 a.m. to 9:30 a.m., and 4:00 p.m. to 6:30 p.m. or during the existence of any snow or other emergency declared.
No public vehicle for hire shall loiter in front of a hotel, theater, public building or place of public gathering, or in the vicinity of a taxicab stand which is occupied to full capacity. Specifically, there shall be no stopping, except to either take on or discharge a passenger, or unnecessarily slow driving. A public vehicle for hire operator shall be subject to a fine as provided in Chapter 20.
No keeper or proprietor of a licensed hotel in the District of Columbia, or a person employed by or acting on his or her behalf, shall exclude a District-licensed taxicab operator from picking up passengers at a taxicab stand or other location where taxicabs are regularly allowed to pick up passengers on the hotel premises.
A posted taxicab stand may be occupied only by a District of Columbia-licensed taxicab that is available for hire.
D.C. Mun. Regs. tit. 31, r. 31-821