Wash. Rev. Code § 48.110.140
The legislature finds that the practices covered by this chapter are matters vitally affecting the public interest for the purpose of applying the consumer protection act, chapter 19.86 RCW. Violations of this chapter are not reasonable in relation to the development and preservation of business. A violation of this chapter is an unfair or deceptive act or practice in the conduct of trade or commerce and an unfair method of competition, as specifically contemplated by RCW 19.86.020, and is a violation of the consumer protection act, chapter 19.86 RCW. Any service contract holder or protection product guarantee holder injured as a result of a violation of a provision of this chapter shall be entitled to maintain an action pursuant to chapter 19.86 RCW against the service contract provider or protection product guarantee provider and the insurer issuing the applicable service contract or protection product guarantee reimbursement insurance policy and shall be entitled to all of the rights and remedies afforded by that chapter.
RCW 48.110.140