Wash. Admin. Code § 180-90-160
Statutory Authority: RCW 28A.195.040. 03-04-053, § 180-90-160, filed 1/29/03, effective 3/1/03. Statutory Authority: RCW 28A.305.130(6), 28A.195.040 and 1996 c 83. 96-15-099, § 180-90-160, filed 7/22/96, effective 8/22/96. Statutory Authority: 1990 c 33. 90-17-009, § 180-90-160, filed 8/6/90, effective 9/6/90. Statutory Authority: RCW 28A.02.240. 89-01-038 (Order 23-88), § 180-90-160, filed 12/14/88; 87-09-039 (Order 7-87), § 180-90-160, filed 4/14/87. Statutory Authority: RCW 28A.02.240. 85-24-056 (Order 23-85), § 180-90-160, filed 12/2/85. Statutory Authority: RCW 28A.04.120(4). 82-04-004 (Order 3-82), § 180-90-160, filed 1/21/82. Statutory Authority: RCW 28A.02.201 et seq. and 28A.04.120(4). 78-06-064 (Order 9-78), § 180-90-160, filed 5/25/78; Order 2-77, § 180-90-160, filed 3/24/77; Order 1-76, § 180-90-160, filed 2/3/76; Order 1-75, § 180-90-160, filed 2/4/75.