ORS 618.161

When weighing or measuring instruments or devices specified in ORS 618.141 are in commercial use and a valid license for such instruments or devices has not been procured by the owner or operator thereof, the State Department of Agriculture after giving notice of such requirements to the owner or operator is authorized to prohibit the further commercial use of the unlicensed instruments or devices until the proper license has been issued. The department may employ and attach to the instruments or devices such forms, notices or security seals as it considers necessary to prevent the continued unauthorized use of the instruments or devices.