Complete the overpayment worksheet for each payment that was incorrect. NOTE: Filing the grievance will not halt the recovery of the overpayment.This document provides an overview of overpayments, how they are classified, why that classification matters, and offers tips for claimants with overpayments. This chapter deals with state law provisions identifying, establishing, and collecting overpayments. All states have provisions addressing these matters. The DCS Payroll Office will notify an employee when an overpayment is detected. Employees must complete Arizona Form A-4C and provide it to the employer. Keep a copy for their records.