Toilet facilities shall be provided in accordance with the International Plumbing Code (2012 edition), Subtitle F (Plumbing Code Supplement of 2013) of Title 12 of the District of Columbia Municipal Regulations and maintained as specified in Section 500.
The operator shall, at a minimum:
All single-stall toilet rooms shall display gender- neutral signs on the door that read "Restroom," or have a universally recognized picture/symbol indicating that persons of any gender may use each restroom, in accordance with the D.C. Human Rights Act of 1977, effective December 13, 1977, as amended (D.C. Law 2-38; D.C. Official Code § 2-1403.01(c) (2016 Repl.)).
Body art establishments employing:
A toilet room located on the premises shall be completely enclosed and provided with a tight- fitting and self-closing door or locking doors, except that this requirement does not apply to a toilet room that is located outside a body art establishment.
Toilet room doors shall be kept closed except during cleaning and maintenance operations.
Each body art establishment shall maintain toilet facilities for body artists, which shall consist of a toilet room or toilet rooms with proper and sufficient water closets and lavatories. Toilet facilities shall be conveniently located and readily accessible to all personnel and customers.
Toilet facilities shall be deemed conveniently located and accessible to body artists during all hours of operation if they are:
At no time shall consumers or body artists enter the bathroom, restroom, or locker room during routine cleaning or maintenance emergency.
D.C. Mun. Regs. tit. 25, r. 25-G405