Wash. Admin. Code § 220-16-550
Statutory Authority: RCW 77.12.047. 04-07-009 (Order 04-39), § 220-16-550, filed 3/4/04, effective 5/1/04. Statutory Authority: RCW 75.08.080 and 77.12.040. 99-15-081 (Order 99-102), § 220-16-550, filed 7/20/99, effective 8/20/99; 98-15-081 (Order 98-122), § 220-16-550, filed 7/15/98, effective 8/15/98; 98-06-031, § 220-16-550, filed 2/26/98, effective 5/1/98.