Wash. Admin. Code § 220-140-020
Statutory Authority: RCW 77.12.047. 01-17-074 (Order 01-172), § 220-140-020, filed 8/16/01, effective 9/16/01; 00-20-040 (Order 00-200), § 220-140-020, filed 9/28/00, effective 10/29/00. Statutory Authority: 1989 c 426 and RCW 75.08.080. 90-04-026 (Order 90-06), § 220-140-020, filed 1/30/90, effective 3/2/90.