New York General Business Law Section 897 - Sale of a firearm, rifle or shotgun at a gun show.

  897.  Sale  of  a  firearm,  rifle  or  shotgun at a gun show. 1. A
  national instant criminal background check shall  be  conducted  and  no
  person shall sell or transfer a firearm, rifle or shotgun at a gun show,
  except in accordance with the provisions of 18 U.S.C. 922(t).
2. No person shall offer or agree to sell or transfer a firearm, rifle
  or  shotgun to another person at a gun show and transfer or deliver such
  firearm, rifle or shotgun to such person or person acting on his or  her
  behalf  thereafter at a location other than the gun show for the purpose
  of evading or avoiding compliance with 18 U.S.C. 922(t).
3. Any person who knowingly violates any of  the  provisions  of  this
  section  shall be guilty of a class A misdemeanor punishable as provided
  for in the penal law.

Last modified: February 3, 2019