N.Y. Fam. Ct. Act § 580-607

§ 580-607. Contest of registration or enforcement. (a) A party\ncontesting the validity or enforcement of a registered order or seeking\nto vacate the registration has the burden of proving one or more of the\nfollowing defenses:\n (1) the issuing tribunal lacked personal jurisdiction over the\ncontesting party;\n (2) the order was obtained by fraud;\n (3) the order has been vacated, suspended, or modified by a later\norder;\n (4) the issuing tribunal has stayed the order pending appeal;\n (5) there is a defense under the law of this state to the remedy\nsought;\n (6) full or partial payment has been made; or\n (7) the statute of limitation under section 580-604 (choice of law)\nprecludes enforcement of some or all of the arrearages.\n (b) If a party presents evidence establishing a full or partial\ndefense under subdivision (a), a tribunal may stay enforcement of the\nregistered order, continue the proceeding to permit production of\nadditional relevant evidence, and issue other appropriate orders. An\nuncontested portion of the registered order may be enforced by all\nremedies available under the law of this state.\n (c) If the contesting party does not establish a defense under\nsubdivision (a) of this section to the validity or enforcement of the\norder, the registering tribunal shall issue an order confirming the\norder.\n