2015 New York Laws
PBH - Public Health
Article 43 - (Public Health) ANATOMICAL GIFTS
4304 - Delivery of document of gift.

 4304. Delivery of document of gift. If the gift is made by the donor
  to  a  specified  donee, the will, card or other document or an executed
  copy thereof, may be  delivered  to  him  to  expedite  the  appropriate
  procedures immediately after death delivery is not necessary to validity
  of  the  gift.  The  will,  card  or other document, or an executed copy
  thereof, may be deposited in any hospital,  bank,  storage  facility  or
  registry  office  that accepts it for safekeeping or for facilitation of
  procedures after death. On request of an interested party upon or  after
  the  donor's  death, the person in possession shall produce the document
  for examination.