延长信用证有效期 meaning in English

extend letter of credit

The crammed shipping space complies our request for extension of credit validity
船位拥挤使我们不得不延长信用证有效期。
Mr bai , our import license only ran up to the middle of february , consequently we were not able to extend the validity of the letter of credit
白先生，我们进口许可证的有效期到二月中截止，因此我们无法延长信用证有效期。
On this event , the party responsible for the delays ( seller in delivery or buyer in unloading ) will have to bear the costs for the extension of the validity of the letter of credit as well as the costs of storage in the port of loading
如延长，承担延迟责任的一方（卖方因交付或买方因卸货）必须承担延长信用证有效期和存储在装货港的费用。