2014 New York Laws
GBS - General Business
Article 6 - (60 - 64) JUNK DEALERS
63 - Certain property to be kept in separate piles.

 63. Certain property to be kept in separate piles. Every junk dealer
  shall  on  purchasing  any of the property described in the last section
  place and keep each separate purchase in a separate and  distinct  pile,
  bundle  or  package, in the usual place of business of such junk dealer,
  without removing, melting, cutting or destroying  any  article  thereof,
  for a period of five days immediately succeeding such purchase, on which
  package,  bundle  or  pile shall be placed and kept by such dealer a tag
  bearing the name and residence of the seller, with the  date,  hour  and
  place of purchase, and the weight thereof.