N.Y. Fam. Ct. Act § 580-506

§ 580-506. Contest by obligor. (a) An obligor may contest the validity\nor enforcement of an income withholding order issued in another state\nand received directly by an employer in this state by registering the\norder in a tribunal of this state and filing a contest to that order as\nprovided in part six of this article, or otherwise contesting the order\nin the same manner as if the order had been issued by a tribunal of this\nstate.\n (b) The obligor shall give notice of the contest to:\n (1) a support enforcement agency providing services to the obligee;\n (2) each employer that has directly received an income withholding\norder relating to the obligor; and\n (3) the person designated to receive payments in the income\nwithholding order or, if no person is designated, to the obligee.\n