Wash. Admin. Code § 180-55-020
Statutory Authority: RCW 28A.305.130(6), 28A.150.220(4), and 28A.305.140. 06-23-012, § 180-55-020, filed 11/2/06, effective 12/3/06; 04-04-093, § 180-55-020, filed 2/3/04, effective 3/5/04; 02-18-056, § 180-55-020, filed 8/28/02, effective 9/28/02. Statutory Authority: RCW 28A.305.130(6). 91-01-068, § 180-55-020, filed 12/14/90, effective 1/14/91. Statutory Authority: RCW 28A.04.120(4). 84-11-050 (Order 8-84), § 180-55-020, filed 5/17/84; 81-08-027 (Order 2-85), § 180-55-020, filed 3/26/81.