ORS 618.115

In addition to the authority otherwise granted to the State Department of Agriculture to inspect and test weighing or measuring instruments or devices, the department may, at the request of an owner or user thereof, inspect and test weighing or measuring instruments or devices to ascertain if they are correct. As authorized by ORS 618.031 (2)(e), the department may establish fees for performing the services and the person requesting the services shall pay the established fees to the department.