2007 ORS § 110.417¹
Procedure to contest validity or enforcement of registered order

(1) A nonregistering party seeking to contest the validity or enforcement of a registered order in this state shall request a hearing within 20 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 ORS 110.420 (Contest of registration or enforcement).

(2) 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.

(3) 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 or electronic mail of the date, time and place of the hearing. [1993 c.449 §40; 1999 c.80 §60]