Wash. Admin. Code § 131-16-400
Statutory Authority: Chapter 28B.50 RCW. 98-23-051, § 131-16-400, filed 11/13/98, effective 12/14/98. Statutory Authority: RCW 28B.50.090(7)(d) and (10), 28B.50.851,28B.15.502(4), 28B.15.522, 28B.50.140(3) and 1990 c 29. 90-20-009 (Order 122, Resolution Nos. 90-42 and 90-43), § 131-16-400, filed 9/20/90, effective 10/21/90; Order 67, § 131-16-400, filed 9/13/77; Order 57, § 131-16-400, filed 5/10/76; Order 43, § 131-16-400, filed 9/12/75.