A. It is a defense to prosecution under section 5.60.160 of this chapter that a person appearing in a state of nudity did so in a modeling class operated:
1. By a proprietary school, licensed by the state of Idaho; a college, junior college, or university supported entirely or partly by taxation;
2. By a private college or university which 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; and
b. Where, in order to participate in a class a student must enroll in the class; and
c. Where no more than one nude model is on the premises at any one time. (Ord. 2660 § 19, 2000)