4-1-4-13: SALE OF FIREARMS OR WEAPONS TO MINORS PROHIBITED:
   (A)   It shall be unlawful for any person to sell to any minor person any firearm, bludgeon, blackjack, slingshot, sand club, sandbag, metal knuckles, dagger, dirk, billy, dangerous knife, stiletto or any knife commonly referred to as a switchblade, which has a blade that opens automatically by hand pressure applied to a button, spring or other device in the handle of the knife.
   (B)   It shall be unlawful for any person to sell, lend, rent, give or otherwise transfer any "air rifle" to a person under thirteen (13) years of age except where the relationship of parent-child, guardian-ward, or adult instructor-pupil exists between such person and the person under thirteen (13) years of age.
   (C)   It shall be an affirmative defense for any person having sold such weapon that:
      1.   The minor procured the sale by use of false or forged identification cards; and
      2.   He did not know, and could not reasonably have known, of the falsity or forgery; and
      3.   He exercised reasonable diligence to determine the veracity of the representation. (1974 Code)