N.Y. Dom. Rel. Law § 77-h

§ 77-h. Service of petition and order. Except as otherwise provided in\nsection seventy-seven-j of this title, the petition and order must be\nserved, by any method authorized by the law of this state, upon\nrespondent and any person who has physical custody of the child. Service\nmay be made outside the state in the manner prescribed by section\nseventy-five-g of this article.\n