Oregon Revised Statutes Oregon Vehicle Code § 825.410

(1) Every motor carrier must:

(2) At the time of registration or renewal of registration of a commercial vehicle or a commercial motor vehicle under any provision of ORS chapter 803 or 826, a motor carrier must certify to the Department of Transportation that the carrier is in compliance with subsection (1) of this section and, if the carrier belongs to a consortium, must provide the department with the names of persons who operate the consortium.

(3) When a medical review officer of a motor carrier's testing program or of the consortium the carrier belongs to determines that a positive test result is valid, the officer must report the finding to the department.