RCW 81.80.355: Unlawful advertising—Penalty.

Any person not holding a permit authorizing him or her to operate as a common carrier, contract carrier, or temporary carrier for the transportation of property for compensation in this state, or an exempt carrier, who displays on any building, vehicle, billboard, or in any manner, any advertisement of, or by circular, letter, newspaper, magazine, poster, card, or telephone directory, advertises the transportation of property for compensation shall be guilty of a misdemeanor and punishable as such.