Wash. Admin. Code § 220-56-355
Statutory Authority: RCW 77.12.047. 02-17-019 (Order 02-193), § 220-56-355, filed 8/9/02, effective 9/9/02; 02-08-048 (Order 02-53), § 220-56-355, filed 3/29/02, effective 5/1/02. Statutory Authority: RCW 75.08.080. 97-07-078 (Order 97-53), § 220-56-355, filed 3/19/97, effective 5/1/97; 89-07-060 (Order 89-12), § 220-56-355, filed 3/16/89; 88-10-013 (Order 88-15), § 220-56-355, filed 4/26/88; 80-03-064 (Order 80-12), § 220-56-355, filed 2/27/80, effective 4/1/80. Formerly WAC 220-56-082.