Lost or stolen mileage vouchers will not be replace. Mileage vouchers are transferable only once, with signature of transferee. Mileage vouchers used for the exchange of one award must be originated from the same member. Vouchers may not be used in conjunction with other means of payment. Mileage voucher can be exchanged for awards only at China Southern Airlines' ticketing offices.
Members are responsible for the payment of taxes incurred by such awards.
For domestic flights, only full fare of service class is eligible to free upgrade. Reservation for such upgrades must be made 72 hours prior to the departure at any China Southern Airlines ticket office. When you travel on upgraded class service, obtained by way of mileage vouchers, mileage will be accumulated according to the original class. Endorsement or change of date after upgrading of service class will result in forfeiture of the right to upgraded service as the transfer will be done in accordance with the original service class and mileage vouchers will not be returned. You may apply for one way or round trip free ticket at any China Southern Airlines ticketing offices with mileage vouchers.