The board authorizes the department:
Wash. Admin. Code § 246-262-170
Statutory Authority: RCW 70.90.120. 92-02-020 (Order 226B), § 246-262-170, filed 12/23/91, effective 1/23/92. Statutory Authority: RCW 43.20.050. 91-02-051 (Order 124B), recodified as § 246-262-170, filed 12/27/90, effective 1/31/91. Statutory Authority: RCW 70.90.120. 88-13-125 (Order 311), § 248-97-170, filed 6/22/88.