N.Y. Dom. Rel. Law § 75-e

§ 75-e. Effect of child custody determination. A child custody\ndetermination made by a court of this state that had jurisdiction under\nthis article binds all persons who have been served in accordance with\nthe laws of this state or notified in accordance with section\nseventy-five-g of this title or who have submitted to the jurisdiction\nof the court, and who have been given an opportunity to be heard. As to\nthose persons, the determination is conclusive as to all decided issues\nof law and fact except to the extent the determination is modified or\nexcept to the extent that enforcement of an order would violate\nsubdivision one-c of section two hundred forty of this chapter or\nsection one thousand eighty-five of the family court act.\n