2016 New York Laws
IND - Indian
Article 2 - (Indian) General Provisions
4 - Marriage and divorce.

  4.  Marriage  and  divorce.  The  laws of the state relating to the
  capacity to  contract  marriage,  the  solemnization  of  marriage,  the
  annulment  of  the  marriage  contract,  and  divorce, are applicable to
  Indians; and subject to the jurisdiction of the peacemakers'  courts  of
  the  Seneca  nation  to  grant  divorces,  the  same  courts  shall have
  jurisdiction  of  actions  arising  thereunder.  But  Indians  who  have
  heretofore  contracted marriage according to the Indian custom or usage,
  and shall cohabit as husband and wife, shall be deemed lawfully married.
  As provided by subdivision three-a of section  eleven  of  the  domestic
  relations  law,  marriages  may  be  solemnized by a judge or peacemaker
  judge of any Indian tribal court, a chief, a headman, or any  member  of
  any  tribal council or other governing body of any nation, tribe or band
  of Indians in this state duly designated by such body for that  purpose,
  or  any  other persons duly designated by such body, in keeping with the
  culture and traditions of any such nation, tribe or band of  Indians  in
  this state, to officiate at marriages.