OAR 735-048-0060. Plates and Devices Issued

(1) Farm registered vehicles will be issued registration plates. (2) A vehicle registered on a proportional basis for interstate use will be issued proportional registration plates. In addition, the vehicle will be issued a device to reflect the farm registration: (a) The device(s) must identify the vehicle as being registered under proportional farm registration and must be in a form of a registration plate(s) to be affixed to the exterior of the vehicle; or (b) The Department may issue a temporary device in the form of a permit which must be carried in the vehicle.