Wash. Admin. Code § 192-640-030
The department will send all interested parties information about the overpayment assessment and the right to appeal. Employees have the right to appeal any of the following components of the assessment:
[Statutory Authority: RCW 50A.04.215. WSR 19-16-081, § 192-640-030, filed 7/31/19, effective 8/31/19.]