Wash. Admin. Code § 192-640-005
For purposes of this chapter:
(1) "Overpayment" means any or all of the following:
[Statutory Authority: RCW 50A.05.60 [50A.05.060] and 50A.25.030. WSR 20-01-087, § 192-640-005, filed 12/12/19, effective 1/12/20. Statutory Authority: RCW 50A.04.215. WSR 19-16-081, § 192-640-005, filed 7/31/19, effective 8/31/19.]