Wash. Admin. Code § 246-366-060
Statutory Authority: RCW 43.20.050. 92-02-019 (Order 225B), § 246-366-060, filed 12/23/91, effective 1/23/92; 91-02-051 (Order 124B), recodified as § 246-366-060, filed 12/27/90, effective 1/31/91; 82-07-015 (Order 225), § 248-64-270, filed 3/9/82; 79-08-078 (Order 183), § 248-64-270, filed 7/26/79; Order 124, § 248-64-270, filed 3/18/76; Order 55, § 248-64-270, filed 6/8/71.