Wash. Admin. Code § 230-17-155
[Statutory Authority: RCW 9.46.070. WSR 18-05-029, § 230-17-155, filed 2/9/18, effective 7/1/18; WSR 07-21-156 (Order 615), § 230-17-155, filed 10/24/07, effective 1/1/08.]