Wash. Admin. Code § 200-320-505
Complaints shall be submitted in writing and shall include the following:
[Statutory Authority: 2011 c 43. WSR 11-23-093, recodified as § 200-320-505, filed 11/17/11, effective 11/17/11. Statutory Authority: RCW 41.06.142. WSR 04-07-104, § 236-51-505, filed 3/17/04, effective 7/1/05.]