Wash. Admin. Code § 180-90-105
Statutory Authority: RCW 28A.195.040. 03-04-053, § 180-90-105, filed 1/29/03, effective 3/1/03. Statutory Authority: 1990 c 33. 90-17-009, § 180-90-105, filed 8/6/90, effective 9/6/90. Statutory Authority: RCW 28A.02.240. 85-24-056 (Order 23-85), § 180-90-105, filed 12/2/85.