Wash. Admin. Code § 220-352-020
Statutory Authority: RCW 77.12.047. 07-23-001 (Order 07-278), § 220-69-215, filed 11/7/07, effective 12/8/07; 04-17-096 (Order 04-210), § 220-69-215, filed 8/17/04, effective 9/17/04. Statutory Authority: RCW 75.08.080. 85-11-020 (Order 85-43), § 220-69-215, filed 5/10/85; 83-24-049 (Order 83-203), § 220-69-215, filed 12/2/83; Order 76-153, § 220-69-215, filed 12/17/76.