MOTOR VEHICLES ‑- LICENSING AND OPERATION ‑- CARS BELONGING TO A FOREIGN CORPORATION NOT MAINTAINING PLACE OF BUSINESS IN THIS STATE ‑- DEMONSTRATOR WITHOUT LICENSE PLATES ‑- RESIDENT OPERATING CAR A motor vehicle operated on the public highways of this state must have in full force and effect a proper Washington vehicle license and displayed thereon, unless exempted by some statutory provision. An Illinois corporation which does not own, maintain or operate a place of business in this state, but in the state of Idaho where a car furnished its salesman is properly licensed, is exempt under the statute and by reciprocity. It is unlawful for any person to operate a dealer's demonstrator on the public highways which does not have displayed upon it a valid vehicle license. A resident of this state is not entitled to claim the exemption granted to a non-resident [[nonresident]] owner to operate a motor vehicle licensed in the state of the owner's residence.