As a usual practice,the L/C is to be established by the importer and reach the exporter one month prior to the date of shipment,so as to leave enough time for the latter to make preparation for the shipment.

• 按照惯例，信用证一般在开船日一个月之前由进口方开立并且送达出口方，以便于后者为装运做好准备。