Wash. Admin. Code § 173-491-050
Statutory Authority: 1996 c 294. 97-04-012 (Order 95-15), § 173-491-050, filed 1/27/97, effective 2/27/97. Statutory Authority: RCW 70.94.331. 93-13-068 (Order 92-47), § 173-491-050, filed 6/17/93, effective 7/18/93; 93-03-089 (Order 92-42), § 173-491-050, filed 1/20/93, effective 2/20/93; 91-14-101 (Order 90-63), § 173-491-050, filed 7/2/91, effective 8/2/91.