N.Y. Public Health Law § 4201
1. As used in this section, the following terms shall have the following meanings, unless the context otherwise requires:
(c) "Domestic partner" means a person who, with respect to another person:
2.
(a) The following persons in descending priority shall have the right to control the disposition of the remains of such decedent; provided that if there are more than two members of a class listed in subparagraph (iii), (v), or (vii) of this paragraph entitled to control the disposition of remains of a decedent, the disposition shall be determined by a majority of the members of the class who are reasonably available:
4.
6. A person acting reasonably and in good faith, shall not be subject to any civil liability for:
7. No cemetery organization, business operating a crematory, natural organic reduction facility, or columbarium, funeral director, undertaker, embalmer, or funeral firm shall be held liable for actions taken reasonably and in good faith to carry out the written directions of a decedent as stated in a will or in a written instrument executed pursuant to this section. No cemetery organization, business operating a crematory, natural organic reduction facility, or columbarium, funeral director, undertaker, embalmer or funeral firm shall be held liable for actions taken reasonably and in good faith to carry out the directions of a person who represents that he or she is entitled to control of the disposition of remains, provided that such action is taken only after requesting and receiving written statement that such person: