Wash. Admin. Code § 400-06-020
Statutory Authority: Chapter 90.71 RCW. 10-12-009, § 400-06-020, filed 5/20/10, effective 6/20/10. Statutory Authority: Chapter 90.70 RCW and RCW 43.21C.120. 90-17-063, § 400-06-020, filed 8/15/90, effective 9/15/90. Statutory Authority: RCW 42.17.250 through 42.17.320, 1985 c 451 and chapter 90.70 RCW. 86-04-055 (Order 86-02, Resolution No. 5), § 400-06-020, filed 2/3/86.