Section 6-606. Procedure to contest validity or enforcement of registered order.
(a) A nonregistering party seeking to contest the validity or enforcement of a registered order in the commonwealth shall request a hearing within twenty days after the date of mailing or personal service of notice of the registration. The nonregistering party may seek to vacate the registration, to assert any defense to an allegation of noncompliance with the registered order, or to contest the remedies being sought or the amount of any alleged arrearages pursuant to Section 6-607 (Contest of Registration or Enforcement).
(b) If the nonregistering party fails to contest the validity or enforcement of the registered 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 by first class mail or by facsimile or other electronic transmission of the date, time, and place of the hearing.