An overpayment occurs when an employer pays an employee for: (a) More than the agreed-upon wage rate; or (b) More than the hours actually worked. You should ask DSHS to dismiss all or part of the overpayment.If they will not, you should ask for an administrative hearing. 210 defines "overpayment" as a payment of salaries or wages for a pay period that is greater than the amount earned for a pay period.