Wash. Admin. Code § 220-140-010
Statutory Authority: RCW 75.50.100 and 75.52.035. 98-02-017 (Order 97-245), § 220-140-010, filed 12/30/97, effective 1/30/98. Statutory Authority: 1989 c 426 and RCW 75.08.080. 90-04-026 (Order 90-06), § 220-140-010, filed 1/30/90, effective 3/2/90.