2014 New York Laws
ACA - Arts and Cultural Affairs
Title C - TRANSACTIONS INVOLVING ARTISTS AND THEIR WORKS
Article 14 - (14.01 - 14.08) WORKS OF FINE ART; SCULPTURE AND MULTIPLES GENERALLY
14.05 - Sculpture; identifying mark.

 14.05. Sculpture;  identifying  mark.  1.  Every sculpture produced,
  fabricated or carved in or from this state after January first, nineteen
  hundred ninety-one shall contain thereon, in a clear and legible fashion
  and  in  an  easily  accessible  location,  a  distinctive  mark   which
  identifies  the  foundry  or  other  production  facility  at which such
  sculpture was made, and the year that  such  sculpture  was  made.  This
  section  shall  also  apply  to  unique  works  of  sculpture  produced,
  fabricated or carved in this state.
2. It shall be unlawful for a foundry or other production facility (a)
  to fail or refuse to affix an identifying mark and the year  or  (b)  to
  affix  a  false  identifying  mark  or  incorrect  year to any sculpture
  produced by it. Notwithstanding any other provision of law, violation of
  this subdivision shall be punishable by a civil penalty  not  to  exceed
  five thousand dollars for each unlabeled or mislabeled sculpture.
3.  It shall be unlawful for any person to deface, mark over or tamper
  with the identifying mark and  date  required  by  this  section  to  be
  included  on  a  sculpture.  Notwithstanding any other provision of law,
  violation of this subdivision shall be punishable by a civil penalty not
  to exceed five thousand dollars for each instance of  defacing,  marking
  over  or  tampering with such identifying mark or date. Any violation of
  this subdivision shall be punishable in accordance with the penal law.