Wash. Admin. Code § 390-37-050
Statutory Authority: RCW 42.17.370. 03-22-065, § 390-37-050, filed 11/4/03, effective 12/5/03. Statutory Authority: RCW 42.17.370(1). 79-08-046 (Order 79-03), § 390-37-050, filed 7/19/79; Order 81, § 390-37-050, filed 7/22/76.