Wash. Admin. Code § 170-12-020
06-15-075, recodified as § 170-12-020, filed 7/13/06, effective 7/13/06. Statutory Authority: RCW 43.06.110 and 43.330.040(2)(g). 97-21-005, § 365-40-020, filed 10/1/97, effective 11/1/97. Statutory Authority: Chapter 43.63A RCW. 89-21-056 (Order 89-04), § 365-40-020, filed 10/16/89, effective 11/16/89; 88-01-058 (Order 87-20), § 365-40-020, filed 12/16/87; 86-18-026 (Order 86-02), § 365-40-020, filed 8/27/86. Statutory Authority: RCW 43.63A.060. 85-13-006 (Order 85-03), § 365-40-020, filed 6/7/85. Statutory Authority: RCW 43.06.110 and chapter 43.63A RCW. 78-11-059 (Order 78-04), § 365-40-020, filed 10/25/78.