The Agency must immediately notify the employee, in writing, of the amount overpaid and the method of recovery. Attach copy of correspondence to the employee concerning the overpayment AND Consent to Collection of Overpayment form.The salary overpayment resulted because . This file contains a sample letter for notifying terminated employees about overpayment issues. If you are blind or seriously visually impaired and need this application in an alternative. FECA Bulletins have been divided into five-year groups to make it easier for you to search and find the information you are looking for.