Wash. Admin. Code § 250-18-020
Statutory Authority: RCW 28B.15.015. 06-20-118, § 250-18-020, filed 10/4/06, effective 11/4/06; 03-20-053, § 250-18-020, filed 9/26/03, effective 10/27/03; 03-13-056, § 250-18-020, filed 6/13/03, effective 7/14/03. Statutory Authority: RCW 28B.15.015 and 28B.15.0131. 98-08-004, § 250-18-020, filed 3/18/98, effective 4/18/98. Statutory Authority: 28B.15.015. 93-20-004, § 250-18-020, filed 9/22/93, effective 10/23/93. Statutory Authority: Chapter 28B.15 RCW as amended by 1982 1st ex.s. c 37 § 4. 87-21-079 (Order 5-87, Resolution No. 87-60), § 250-18-020, filed 10/21/87; 87-16-048 (Order 3-87, Resolution No. 87-58), § 250-18-020, filed 7/29/87. Statutory Authority: 1982 1st ex.s. c 37 § 4. 83-13-092 (Order 2-83, Resolution No. 83-65), § 250-18-020, filed 6/17/83; 82-19-015 (Order 10-82, Resolution No. 83-1), § 250-18-020, filed 9/8/82.