Wash. Admin. Code § 478-116-020
The objectives of these rules are:
[Statutory Authority: RCW 28B.10.560 and 28B.20.130. WSR 19-11-046, § 478-116-020, filed 5/10/19, effective 6/10/19; WSR 11-13-058, § 478-116-020, filed 6/14/11, effective 8/8/11; WSR 97-14-005, § 478-116-020, filed 6/19/97, effective 9/15/97; WSR 91-11-029 and 91-12-047, § 478-116-020, filed 5/8/91 and 6/5/91, effective 6/8/91 and 10/1/91. Statutory Authority: RCW 283.10.300 [28B.10.300]. WSR 89-15-023 (Order 89-1), § 478-116-020, filed 5/8/91 and 7/13/89, effective 8/13/89. Statutory Authority: RCW 28B.10.560. WSR 78-07-019 (Order 78-3), § 478-116-020, filed 6/15/78; Order 75-2, § 478-116-020, filed 6/4/75.]