Wash. Admin. Code § 172-144-040
Statutory Authority: RCW 28B.35.120(12). 92-09-102, § 172-144-040, filed 4/20/92, effective 5/21/92. Statutory Authority: RCW 28B.35.120 and 43.21C.120. 86-01-042 (Order 85-01), § 172-144-040, filed 12/13/85; Order 73-12, § 172-144-040, filed 5/22/73.