Except as specified in § 2906.2, attachments to walls and ceilings such as light fixtures, mechanical room ventilation system components, vent covers, wall mounted fans, decorative items, and other attachments shall be easily cleanable.
In a consumer area, wall and ceiling surfaces and decorative items and attachments that are provided for ambiance need not meet the requirement of § 2906.1 if they are kept clean.
D.C. Mun. Regs. tit. 25, r. 25-A2906