Wash. Admin. Code § 220-620-030
Statutory Authority: RCW 77.12.047. 07-22-097 (Order 07-274), § 220-130-040, filed 11/6/07, effective 12/7/07; 04-01-055 (Order 03-306), § 220-130-040, filed 12/11/03, effective 1/11/04. Statutory Authority: RCW 75.08.080. 00-02-048 (Order 99-235), § 220-130-040, filed 12/30/99, effective 1/30/00. Statutory Authority: RCW 75.08.080 and 75.52.050. 99-11-004 (Order 99-44), § 220-130-040, filed 5/6/99, effective 6/6/99. Statutory Authority: RCW 75.08.080. 85-04-045 (Order 85-07), § 220-130-040, filed 2/1/85.