Wash. Admin. Code § 446-20-280
Statutory Authority: Chapters 10.97 and 43.43 RCW. 10-01-109, § 446-20-280, filed 12/17/09, effective 1/17/10; 97-05-048, § 446-20-280, filed 2/18/97, effective 3/21/97. Statutory Authority: RCW 10.97.090. 91-24-099 (Order 91-004), § 446-20-280, filed 12/4/91, effective 1/4/92. Statutory Authority: 1982 c 202 §1(7). 82-22-006 (Order 82-5), § 446-20-280, filed 10/22/82.