Wash. Admin. Code § 131-49-170
07-23-089, recodified as § 131-49-170, filed 11/20/07, effective 11/20/07. Statutory Authority: Chapter 28B.04 RCW. 01-01-050, recodified as § 250-44-170, filed 12/11/00, effective 1/11/01. Statutory Authority: Chapter 28B.04 RCW, as amended. 87-16-061 (Order 4-87, Resolution No. 87-57), § 250-44-120, filed 7/31/87; 85-10-022 (Order 1/85, Resolution No. 85-44), § 250-44-120, filed 4/23/85; 82-15-018 (Order 2-82, Resolution No. 82-54), § 250-44-120, filed 7/12/82. Statutory Authority: RCW 28B.10.806. 79-09-042 (Order 7-79, Resolution 80-4), § 250-44-120, filed 8/17/79.