Wash. Admin. Code § 220-340-120
[Statutory Authority: RCW 77.04.012, 77.04.013, 77.04.020, 77.04.055, and 77.12.047. WSR 17-05-112 (Order 17-04), recodified as § 220-340-120, filed 2/15/17, effective 3/18/17. Statutory Authority: RCW 77.12.047. WSR 05-05-027 (Order 05-17), § 220-52-030, filed 2/10/05, effective 3/13/05. Statutory Authority: RCW 75.08.080. WSR 94-12-009 (Order 94-23), § 220-52-030, filed 5/19/94, effective 6/19/94; WSR 91-10-024 (Order 91-22), § 220-52-030, filed 4/23/91, effective 5/24/91; WSR 84-08-014 (Order 84-24), § 220-52-030, filed 3/27/84; Order 807, § 220-52-030, filed 1/2/69, effective 2/1/69; Order 770 B, § 220-52-030, filed 2/15/68; Order 718, § 1, filed 1/26/67; subsection 1 from Order 679, filed 4/20/66; Orders 443 and 256, filed 3/1/60; subsection 2 from Order 673, filed 1/24/66; Order 631, filed 1/13/65; Order 599, filed 1/29/64; Order 566, filed 2/8/63; Order 540, filed 1/15/62; Order 524, filed 2/6/61; Order 510, filed 7/8/60; Order 508, filed 4/29/60; Order 506, filed 3/16/60; Orders 482 and 256, filed 3/1/60; subsection 3 from Order 673, filed 1/24/66; Order 599, filed 1/29/64; Orders 499 and 256, filed 3/1/60; subsection 4 from Order 599, filed 1/29/64; Order 567, filed 2/15/63; Order 524, filed 2/6/61; Order 506, filed 3/16/60; Orders 482 and 256, filed 3/1/60; subsection 5 from Order 673, filed 1/24/66.]