Wash. Admin. Code § 296-843-20035
(2) Demonstrate knowledge of the subject matter and have either:
[Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, and 49.17.060. WSR 18-22-116, § 296-843-20035, filed 11/6/18, effective 12/7/18; WSR 04-02-053, § 296-843-20035, filed 1/5/04, effective 5/1/04.]