Section 399-S. Posting of notice when air rifles or guns are sold

1. In
  each mercantile establishment in this state where air rifles or air guns
  are sold, a notice must be posted in a conspicuous place, and  in  close
  proximity  to  any  air  rifle  or  air  gun displayed for sale, that in
  legible format states: "Except under supervision at a shooting range  or
  for  hunting  pursuant  to license, Section 265.05 of the New York State
  Penal Law makes it unlawful for any person  under  the  age  of  sixteen
  years to possess an air rifle or air gun."
    2.  Any  violation  of  this  section  shall  be punishable by a civil
  penalty not to exceed one hundred dollars.