Wash. Admin. Code § 284-30-660
Statutory Authority: RCW 48.02.060(3)(a) and 48.17.010(5). 11-01-159 (Matter No. R 2010-09), § 284-30-660, filed 12/22/10, effective 1/22/11. Statutory Authority: RCW 48.02.060. 88-24-053 (Order R 88-12), § 284-30-660, filed 12/7/88.