分类：教育/科学-外语学习
问题：求帮忙翻译信用证片段Validity______________ 
Validy________________ at our counters in ______________________ his letters of Credits is available for payment at our counters, the issued Bank, by referred payment ____ days after presentation of the following documents per shipment as per the document (described at the conValidy________________ at our counters in ______________________ his letters of Credits is available for payment at our counters, the issued Bank, by referred payment ____ days after presentation of the following documents per shipment as per the document (described at the contract item 19.5) shown below in one original and three copies unless otherwise stated:
回答：经我方确认的XXX信用证有效期,并且该信用证可以在我方确认的时间内通过信用证签发的银行执行付款(在向银行交付下述单据后的XXX天内).(需要交付的单据显示在下述合同的19.5条款上).除非另有约定,1份正本,3份副本.