如信用证条款: ORIGINAL BENEFICIARYS SIGNED LETTER/CERTIFICATE TOGETHER WITH THE COURIERS RECEIPT CERTIFYING THAT THE FULL SET OF ORIGINAL DOCUMENTS HAVE BEEN SENT TO XXX CO, BY AIRMAIL/DHL/SPEED POST 3 DAYS AFTER B/L DATE如信用证条款： ORIGINAL BENEFICIARY’S SIGNED LETTER/CERTIFICATE TOGETHER WITH THE COURIERS RECEIPT CERTIFYING THAT THE FULL SET OF ORIGINAL DOCUMENTS HAVE BEEN SENT TO XXX CO. BY AIRMAIL/DHL/SPEED POST 3 DAYS AFTER B/L DATE