Washington Revised Code Title 46. Motor Vehicles § 46.63.140. Presumption regarding stopped, standing, or parked vehicles

(1) In any traffic infraction case involving a violation of this title or equivalent administrative regulation or local law, ordinance, regulation, or resolution relating to the stopping, standing, or parking of a vehicle, proof that the particular vehicle described in the notice of traffic infraction was stopping, standing, or parking in violation of any such provision of this title or an equivalent administrative regulation or local law, ordinance, regulation, or resolution, together with proof that the person named in the notice of traffic infraction was at the time of the violation the registered owner of the vehicle, shall constitute in evidence a prima facie presumption that the registered owner of the vehicle was the person who parked or placed the vehicle at the point where, and for the time during which, the violation occurred.

(2) The foregoing stated presumption shall apply only when the procedure prescribed in RCW 46.63.030(3) has been followed.