RCW 48.22.020

The commissioner shall after consultation with the insurers licensed to write motor vehicle liability insurance in this state, approve a reasonable plan or plans for the equitable apportionment among such insurers of applicants for such insurance who are in good faith entitled to but are unable to procure insurance through ordinary methods and, when such plan has been approved, all such insurers shall subscribe thereto and shall participate therein. Any applicant for such insurance, any person insured under such plan and any insurer affected may appeal to the commissioner from any ruling or decision of the manager or committee designated to operate such plan.