RCW 70.84.060: Unauthorized use of white cane, dog guide, or service animal.

It shall be unlawful for any pedestrian who is not totally or partially blind to use a white cane or any pedestrian who is not totally or partially blind or is not hearing impaired to use a dog guide or any pedestrian who is not otherwise physically disabled to use a service animal in any of the places, accommodations, or conveyances listed in RCW 70.84.010 for the purpose of securing the rights and privileges accorded by the chapter to totally or partially blind, hearing impaired, or otherwise physically disabled people.