Wash. Admin. Code § 220-52-01901
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), § 220-52-01901, filed 11/9/12, effective 12/10/12. Statutory Authority: RCW 75.08.080. 94-12-009 (Order 94-23), § 220-52-01901, filed 5/19/94, effective 6/19/94; 93-15-051, § 220-52-01901, filed 7/14/93, effective 8/14/93; 84-08-014 (Order 84-24), § 220-52-01901, filed 3/27/84; 80-13-064 (Order 80-123), § 220-52-01901, filed 9/17/80; 79-12-039 (Order 79-129), § 220-52-01901, filed 11/20/79; Order 77-65, § 220-52-01901, filed 8/5/77 and 8/25/77.