Wash. Admin. Code § 220-20-039
Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.055, 77.12.045, and 77.12.047. 13-02-043 (Order 12-290), § 220-20-039, filed 12/21/12, effective 1/21/13. Statutory Authority: RCW 75.08.080. 82-17-040 (Order 82-105), § 220-20-039, filed 8/13/82.