D.C. Mun. Regs. tit. 31, § 1510
1510.1 A dome light installation business licensee shall at all times:
(a) Be located within an area zoned for this business activity;
(b) Be of sufficient size to simultaneously accommodate at least three (3) vehicles of the type(s) and model(s) licensed by the Commission;
(c) Have sufficient illumination and space in inspection, testing, and calibration areas to enable proper inspections and tests required by these regulations; and
(d) Have all signs required by law and these rules.
1510.2 A dome light installation business licensee may not use temporary structures that are not described in the certificate of occupancy for the premises.
1510.3 No installation, adjustment, correction, or repairs of any type may be performed on a public right-of-way or in any facility other than the dome light installation business premises.
1510.4 A dome light installation business shall be equipped with, at a minimum, the equipment required by the Commission for the repair and installation of dome lights.
SOURCE: Final Rulemaking published at 59 DCR 14019 (December 7, 2012).