Oregon Revised Statutes Occupations and Professions § 703.140

(1) A polygraph examiner shall display prominently the license of the polygraph examiner at the place of business or employment of the polygraph examiner and a trainee shall display prominently the license of the trainee at the place of internship of the trainee.

(2) A polygraph examiner shall notify the Department of Public Safety Standards and Training in writing of any change in the principal place of business of the polygraph examiner within 30 days after the date of such change. Upon discovery by the department of failure by a licensee to comply with this section, the department shall suspend immediately such license.