§ 1-21. Entrances and exteriors of premises.

(a) Exterior entrance doors.

Exterior entrance doors:

(1) must be kept closed so that adult entertainment activities are not visible from the exterior of the building; and

(2) may be opened only:

(i) to permit entry and exit; or

(ii) for cleaning or ventilation during nonoperational hours.

(b) Entertainment not to be visible from exterior.

The conduct of adult entertainment may not be visible at any time from the exterior of the premises in which it is conducted.

(c) Enclosed vestibule or lobby.

The premises of each adult-entertainment business must have a vestibule or lobby enclosed by immobile walls and consisting of a passage, hall, or room between the outer door facing the street and the part of the premises where the adult entertainment is conducted.