§ 20-4-179 — Contest of registration or enforcement

(a) A party contesting the validity or enforcement of a
registered support order or seeking to vacate the registration
has the burden of proving one (1) or more of the following
defenses:
(i) The issuing tribunal lacked personal jurisdiction
over the contesting party;
(ii) The order was obtained by fraud;
(iii) The order has been vacated, suspended or
modified by a later order;
(iv) The issuing tribunal has stayed the order
pending appeal;
(v) There is a defense under the law of this state to
the remedy sought;
(vi) Full or partial payment has been made;
(vii) The statute of limitations under W.S. 20-4-176
precludes enforcement of some or all of the alleged arrearages;
or
(viii) The alleged controlling order is not the
controlling order.
(b) If a party presents evidence establishing a full or
partial defense under subsection (a) of this section, a tribunal
may stay enforcement of a registered support order, continue the
proceeding to permit production of additional relevant evidence
and issue other appropriate orders. An uncontested portion of
the registered support order may be enforced by all remedies
available under the laws of this state.
(c) If the contesting party does not establish a defense
under subsection (a) of this section to the validity or
enforcement of a registered support order, the registering
tribunal shall issue an order confirming the order.