(a) A nonregistering party seeking to contest the validity or enforcement of a registered order in this state shall request a hearing within the time required by AS 25.25.605. The nonregistering party may seek to vacate the registration, to assert a defense to an allegation of noncompliance with the registered order, or to contest the remedies being sought or the amount of alleged arrearages under AS 25.25.607.
(b) If the nonregistering party fails to contest the validity or enforcement of the registered support order in a timely manner, the order is confirmed by operation of law.
(c) If a nonregistering party requests a hearing to contest the validity or enforcement of the registered order, the registering tribunal shall schedule the matter for hearing and give notice to the parties of the date, time, and place of the hearing.