提交期限： 转船后7天内，但是必须在信用证有效期内。

Period of presentation: Within 7 days after date of shipment but within validity period of L/C.

youdao

单据需在运输单据签发后21天内，且在信用证有效期内提交。

Documents to be presented within 21days after the date of issuance of shipping documents but within the validity of the credit.

youdao

由于信用证无展期可能，所以你方务必在信用证有效期内装船。

Since there is no possibility of L/C extension, you must see to it that shipment is made within the validity of L/C.

youdao