Wash. Admin. Code § 220-355-050
Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.055, 77.12.045, and 77.12.047. 12-23-016 (Order 12-267), § 220-48-061, filed 11/9/12, effective 12/10/12. Statutory Authority: RCW 75.08.080. 94-12-009 (Order 94-23), § 220-48-061, filed 5/19/94, effective 6/19/94; 82-14-056 (Order 82-72), § 220-48-061, filed 7/1/82.