PAYMENT OF CHARGES. (a) The PMG shall, where payment of Charges has not been made in advance, on or after the last day of each month, send an invoice showing the Charges due in respect of the Speedpost Service / Local CourierPost Service (as appropriate) provided during the said month and the Customer shall pay to the PMG the full amount shown on the said invoice on or before the Due Date as specified in the invoice hereof, notwithstanding any dispute by the Customer of the amount.
(b) In the event of any dispute between the PMG and the Customer relating to any Charges billed by Hongkong Post, the books and records of Hongkong Post shall be conclusive evidence of all such Charges incurred by the Customer.
