Wash. Admin. Code § 131-49-090
07-23-089, recodified as § 131-49-090, filed 11/20/07, effective 11/20/07. Statutory Authority: Chapter 28B.04 RCW. 01-01-050, amended and recodified as § 250-44-090, filed 12/11/00, effective 1/11/01. Statutory Authority: Chapter 28B.04 RCW as amended. 84-14-084 (Order 2/84, Resolution No. 84-76), § 250-44-070, filed 7/3/84. Statutory Authority: RCW 28B.10.806. 79-09-042 (Order 7-79, Resolution No. 80-4), § 250-44-070, filed 8/17/79.