Wash. Admin. Code § 246-915-130
Statutory Authority: RCW 18.74.023. 91-05-094 (Order 144B), § 246-915-130, filed 2/20/91, effective 3/23/91; 91-02-011 (Order 103B), recodified as § 246-915-130, filed 12/21/90, effective 1/31/91; 84-13-057 (Order PL 471), § 308-42-130, filed 6/19/84.