Wash. Admin. Code § 284-24A-011
(1) Insurers must provide information that helps the consumer determine why the consumer was charged a higher premium or determined to be ineligible for coverage by the insurer. The following information must be included with the reason for the adverse action:
[Statutory Authority: RCW 48.02.060 and 48.18.545. WSR 07-14-103 (Matter No. R 2007-03), § 284-24A-011, filed 7/2/07, effective 8/2/07. 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-011, filed 12/29/04, effective 7/1/05.]