Oregon Revised Statutes Insurance § 737.325

(1) Under such rules and regulations as the Director of the Department of Consumer and Business Services adopts, the director, by written order, may suspend or modify the requirement of filing as to any class of insurance, or subdivision or combination thereof, or as to classes of risks, for which the rates cannot practicably be filed before they are used. Such orders, rules and regulations shall be made known to insurers and rating organizations affected thereby. The director may make such examination as the director deems advisable to ascertain whether any rates affected by such order meet the standards set forth in ORS 737.310.

(2) Upon the written application of the insured, stating the reasons therefor, filed with the director and approved by the director, a rate in excess of that provided by a filing otherwise applicable may be used on any specific risk.