Wash. Admin. Code § 220-47-410
Statutory Authority: RCW 75.08.080. 99-24-011 (Order 99-202), § 220-47-410, filed 11/19/99, effective 12/20/99. Statutory Authority: RCW 75.08.080 and 77.12.040. 98-15-081 (Order 98-122), § 220-47-410, filed 7/15/98, effective 8/15/98. Statutory Authority: RCW 75.08.080. 97-16-030 (Order 97-124), § 220-47-410, filed 7/29/97, effective 8/29/97.