Wash. Admin. Code § 220-32-057
Statutory Authority: RCW 77.12.047 and 77.04.020. 09-18-070 (Order 09-187), § 220-32-057, filed 8/28/09, effective 9/28/09. Statutory Authority: RCW 77.12.047. 00-17-117 (Order 00-146), § 220-32-057, filed 8/17/00, effective 9/17/00. Statutory Authority: RCW 75.08.080. 82-19-083 (Order 82-142), § 220-32-057, filed 9/21/82; Order 77-14, § 220-32-057, filed 4/15/77; Order 1043, § 220-32-057, filed 2/22/73; Order 915, § 220-32-057, filed 3/4/71.