No person shall operate or use for commercial purposes within the state any weighing or measuring instrument or device specified in ORS 618.141 that is not licensed in accordance with the requirements of ORS 618.010 to 618.246 unless exempted as provided in ORS 618.126. Any license issued under ORS 618.010 to 618.246 applies only to the instrument or device specified in the license. However, the State Department of Agriculture may permit such license to be applicable to a replacement for the original instrument or device.
ORS 618.121