Wash. Admin. Code § 246-915-020
Statutory Authority: RCW 18.74.023. 08-17-026, § 246-915-020, filed 8/13/08, effective 8/13/08; 93-04-081 (Order 328B), § 246-915-020, filed 2/1/93, effective 3/4/93; 91-02-011 (Order 103B), recodified as § 246-915-020, filed 12/21/90, effective 1/31/91; 87-08-065 (Order PM 644), § 308-42-040, filed 4/1/87; 84-03-055 (Order PL 455), § 308-42-040, filed 1/18/84. Statutory Authority: RCW 18.74.020. 83-05-032 (Order PL 426), § 308-42-040, filed 2/10/83; 79-05-035 (Order PL 302), § 308-42-040, filed 4/24/79; Order PL 191, § 308-42-040, filed 5/29/75; Order 704207, § 308-42-040, filed 8/7/70, effective 9/15/70.