ORS § 701.180
Notwithstanding the provisions of ORS 36.600 to 36.740, any other provision of law or any contractual provision, failure of a contractor to initiate mediation or arbitration proceedings within 30 days after notification by the Construction Contractors Board of a complaint under ORS 701.145 is a waiver by the contractor of any contractual right to a mediation or arbitration process in lieu of mediation by the board under ORS 701.145. If the parties do not resolve or settle the dispute pursuant to board mediation under ORS 701.145, unless otherwise provided by law regarding a dispute described under ORS 652.140 or 653.010 to 653.261, the complainant must comply with any contractual provision for mediation or arbitration of the dispute as a condition for obtaining the judgment required under ORS 701.145 (5).
ORS 701.180