Wash. Admin. Code § 131-49-180
07-23-089, recodified as § 131-49-180, filed 11/20/07, effective 11/20/07. Statutory Authority: Chapter 28B.04 RCW. 01-01-050, amended and recodified as § 250-44-180, 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), § 250-44-190, filed 7/31/87. Statutory Authority: RCW 28B.10.806. 79-09-042 (Order 7-79, Resolution No. 80-4), § 250-44-190, filed 8/17/79.