Wash. Admin. Code § 504-15-510
Statutory Authority: RCW 28B.30.150. 10-11-083, § 504-15-510, filed 5/17/10, effective 7/1/10; 08-08-050, § 504-15-510, filed 3/27/08, effective 7/1/08. Statutory Authority: RCW 28B.30.125, 28B.30.150, 28B.10.560 and chapter 34.05 RCW. 90-11-078 (Order 90-1), § 504-15-510, filed 5/16/90, effective 7/1/90.