Wash. Rev. Code § 46.08.010
The provisions of this title relating to certificates of title, registration certificates, vehicle licenses, vehicle license plates, and drivers' licenses shall be exclusive and no political subdivision of the state of Washington shall require or issue any licenses or certificates for the same or a similar purpose, nor shall any city or town in this state impose a tax, license, or other fee upon vehicles operating exclusively between points outside of such city or town limits, and to points therein.
RCW 46.08.010
Effective date-Intent-Legislation to reconcile chapter 161, Laws of 2010 and other amendments made during the 2010 legislative session- 2010 c 161 : See notes following RCW 46.04.013.
Purpose-Effective dates-Application-Implementation-1990 c 42: See notes following RCW 46.68.090.