Sec. 24-248. Exemptions.
(a) It is a defense to prosecution for any violation of this article that a person appearing in a state of nudity or semi-nudity did so in a modeling class operated:
(1) By a college, junior college or university supported entirely or partly by taxation;
(2) By a private college or university that maintains and operates educational programs in which credits are transferable to a college, junior college or university supported entirely or partly by taxation; or
(3) In a structure:
a. Which has no sign visible from the exterior of the structure and no other advertising that indicates a nude person is available for viewing;
b. Where, in order to participate in a class, a student must enroll at least three (3) days in advance of the class; and
c. Where no more than one nude model is on the premises at any one time.
(b) It is a defense to prosecution for a violation of this article that an employee of a sexually oriented business, regardless of whether or not a permit has been issued under this article, exposed any specified anatomical area during the employee's bona fide use of a restroom, or during the employee's bona fide use of a dressing room which is accessible only to employees.