713.20  EXEMPTIONS.
   (a)   It is a defense to prosecution under Section 713.17 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 Ohio, 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 its 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 at least three (3) days in advance of the class, and
         C.   Where no more than one nude model is on its premises at any one time. 
(Ord. 97-2.  Passed 4-7-97.)