Wash. Admin. Code § 415-501-472
(1) The state investment board, in consultation with the department, makes certain investment options available to plan participants. The investment board may:
[Statutory Authority: RCW 41.50.050(5). WSR 14-10-045, § 415-501-472, filed 4/30/14, effective 6/1/14. Statutory Authority: RCW 41.50.050(5), 41.50.780(10). WSR 05-22-109, § 415-501-472, filed 11/2/05, effective 12/3/05.]