Oregon Revised Statutes Food and Other Commodities: Purity, Sanitation, Grades, Standards, Labels, Weights and Measures § 618.071

(1) Authorized to enter during normal business hours any premises, including buildings or mobile facilities, where commercial transactions are conducted, commodities are located, or weights and measures are employed. If such premises are not open to the public, a department representative shall first present the credentials of the representative and obtain consent before making entry thereto. If such entry is denied, the department may apply for a search warrant from any person authorized to issue search warrants.

(2) Empowered to stop any commercial vehicle and, after presentment of credentials, require the person in charge to move the vehicle to a designated place for inspection on probable cause that a violation of ORS 618.010 to 618.246 has occurred or is occurring.

(3) Authorized, in the public interest, to issue written notices or warnings to violators for minor infractions of ORS 618.010 to 618.246 in lieu of referring the matter to the district attorney.