OAR 137-055-3440: Effective Date of Modification Under ORS 25.527

(1) In any proceeding to modify a support order under ORS 25.527, the modification shall take effect as of the first day of any month following service of the original motion to modify the judgment on the last non-requesting party. (2) If a motion to modify a judgment is served on more than one non-requesting party, the modification shall take effect as of the first day of any month following service of the original motion on the last non-requesting party. (3) For purposes of this rule, a non-requesting party is an individual obligee, a child attending school under ORS 107.108 and OAR 137-055-5110, or an obligor under the child support order. (4) For an order that includes contingency language pursuant to ORS 25.517, the obligor will be considered the non-requesting party. (5) An adult child, as defined in OAR 137-055-5110, who has sent a written request to the administrator to be a party to the modification is not a non-requesting party for purposes of determining the effective date of a modification.