Wash. Admin. Code § 478-116-131
[Statutory Authority: RCW 28B.10.560 and 28B.20.130. WSR 19-11-046, § 478-116-131, filed 5/10/19, effective 6/10/19; WSR 11-13-058, § 478-116-131, filed 6/14/11, effective 8/8/11; WSR 04-13-086, § 478-116-131, filed 6/17/04, effective 8/16/04; WSR 02-20-044, § 478-116-131, filed 9/25/02, effective 10/26/02; WSR 97-14-005, § 478-116-131, filed 6/19/97, effective 9/15/97.]