Oregon Revised Statutes Animals § 596.220

(1) The State Department of Agriculture may deputize certain veterinarians throughout the state to assist the State Department of Agriculture in carrying out its duties. Such veterinarians shall be known as deputy state veterinarians. They shall be in the unclassified service of the state or may furnish professional services to the department as provided by ORS 596.225. To be eligible for appointment as a deputy state veterinarian a person shall be licensed to practice veterinary medicine in Oregon or hold a valid temporary permit issued by the Oregon State Veterinary Medical Examining Board as authorized by the provisions of ORS 686.065 or 686.085.

(2) A person desiring an appointment as deputy state veterinarian shall apply to the department on forms provided by it. The department may require on the application all pertinent information it deems necessary. In the discretion of the department, veterinarians employed by the United States Department of Agriculture, Bureau of Animal Industry, may be appointed deputy state veterinarians without further requirement if it appears to the department that any communicable or contagious disease of livestock may be more effectively controlled or eradicated by joint federal and state action.