Wash. Admin. Code § 284-24A-012
An insurer must explain any adverse action in reasonably clear and simple language. Insurers must not use phrases that do not explain why the consumer was charged a higher premium or determined to be ineligible for coverage by the insurer.
(1) Explanations of adverse actions that do not meet this standard include, but are not limited to:
[Statutory Authority: RCW 48.02.060, 48.18.545, 48.19.035, and 48.30.010. WSR 05-02-026 (Matter No. R 2004-01), § 284-24A-012, filed 12/29/04, effective 7/1/05.]