2006 New York Code - Termination Of Domestic Partnership.

 
    §  3-242.  a.  Termination of domestic partnership. If either party or
  both parties to a registered domestic partnership  determines  that  the
  partnership has terminated, one of the partners shall file a termination
  statement  with  the  city  clerk.  The  person  filing  the termination
  statement shall declare that the domestic partnership is terminated and,
  if the termination statement  has  not  been  signed  by  both  domestic
  partners,  that  the  other  domestic  partner has been notified of such
  termination by registered mail, return receipt requested.
    b. A domestic partnership shall terminate whenever one of the  parties
  to the partnership marries.