Oregon Revised Statutes Domestic Relations § 110.636

(1) If all of the parties who are individuals reside in this state and the child does not reside in the issuing state, a tribunal of this state has jurisdiction to enforce and to modify the issuing state's child support order in a proceeding to register that order.

(2) A tribunal of this state exercising jurisdiction under this section shall apply the provisions of ORS 110.500 to 110.510, 110.518 to 110.540, 110.605 to 110.641 and the procedural and substantive law of this state to the proceeding for enforcement or modification.ORS 110.542 to 110.591, 110.592, 110.593, 110.594 to 110.602, 110.645 to 110.669, 110.670 and 110.673 do not apply.