§ 1021. Exceptions. The provisions of this article except as provided in subdivision twelve of section one thousand fifteen of this article shall not be construed to apply to any sparring or boxing contest or exhibition conducted under the supervision or the control of the New York state national guard or naval militia where all of the contestants are members of the active militia; nor to any such contest or exhibition where the contestants are all amateurs, sponsored by and under the supervision of any university, college, school or other institution of learning, recognized by the regents of the state of New York; nor to any business entity incorporated for the purposes of providing instruction and evaluation in a combative sport to customers for the purposes of health and fitness, personal development, self-defense or participation in amateur events conducted by an authorized sanctioning entity; nor to any such contest or exhibitions where the contestants are all amateurs sponsored by and under the supervision of the American Olympic Association or, in the case of boxing, the U.S. Amateur Boxing Federation or its local affiliates or the American Olympic Association; nor except as to the extent provided otherwise in this article, to any professional wrestling contest or exhibition as defined in this article. Any individual, association, corporation or club, except elementary or high schools or equivalent institutions of learning recognized by the regents of the state of New York, who or which conducts an amateur contest pursuant to this section must register with the U. S. Amateur Boxing Federation or its local affiliates and abide by its rules and regulations.