Oregon Revised Statutes Executive Branch; Organization § 183.615

(1) An administrative law judge employed by or contracting with the chief administrative law judge shall conduct hearings on behalf of agencies as assigned by the chief administrative law judge. An administrative law judge shall be impartial in the performance of the administrative law judge's duties and shall remain fair in all hearings conducted by the administrative law judge. An administrative law judge shall develop the record in contested case proceedings in the manner provided by ORS 183.417 (8).

(2) Only persons who have a knowledge of administrative law and procedure may be employed by the chief administrative law judge as administrative law judges. The chief administrative law judge by rule may establish additional qualifications for administrative law judges employed for the office.