A convenience fee of 3.5% will be billed separately on your statement by ezPay365, our payment processor. If you wish to avoid this payment processing fee, you can mail a check or money order to our office, Southern Financial Systems, Inc, 2603 Oak Grove Rd, Suite B, Hattiesburg, MS 39402. If you choose the no-fee method of paying by mail, please provide sufficient time for your payment to be received by our office by the due date.