Wash. Admin. Code § 220-33-005
Statutory Authority: RCW 77.12.047. 07-09-055 (Order 07-60), § 220-33-005, filed 4/12/07, effective 5/13/07. Statutory Authority: RCW 75.08.080. 89-09-051 (Order 89-21), § 220-33-005, filed 4/18/89; 88-18-066 (Order 88-86), § 220-33-005, filed 9/2/88.