Wash. Admin. Code § 246-933-150
Statutory Authority: RCW 18.92.030. 91-24-098 (Order 221B), § 246-933-150, filed 12/4/91, effective 1/4/92; 91-02-060 (Order 108B), recodified as § 246-933-150, filed 12/28/90, effective 1/31/91; 80-09-106 (Order PL 351), § 308-150-061, filed 7/23/80.