A waiver means you are no longer liable to pay back the amount that was waived from your overpayment. DES will send you a form letter called a Determination of Overpayment.This letter specifies the weeks and amount that DES alleges you were overpaid. Gov or fax it to (602) 532-5564. Be sent a letter to their Pima email address . Active duty military personnel may provide an Alive and Well Letter. For ACTIVE faculty, staff and students for an overpayment in the Current Calendar Year. Fill in the Assigned To section with the name of the Judicial Officer assigned to your case.