Wash. Admin. Code § 220-330-130
Statutory Authority: RCW 77.12.047. 06-09-021 (Order 06-67), § 220-56-375, filed 4/11/06, effective 5/12/06. Statutory Authority: RCW 75.08.080. 97-07-078 (Order 97-53), § 220-56-375, filed 3/19/97, effective 5/1/97; 80-03-064 (Order 80-12), § 220-56-375, filed 2/27/80, effective 4/1/80.