Wash. Admin. Code § 220-33-010
Statutory Authority: RCW 77.12.047. 07-09-055 (Order 07-60), § 220-33-010, filed 4/12/07, effective 5/13/07; 00-17-117 (Order 00-146), § 220-33-010, filed 8/17/00, effective 9/17/00. Statutory Authority: RCW 75.08.080. 88-18-066 (Order 88-86), § 220-33-010, filed 9/2/88.