11. 督促迟迟未寄发的信用证
The letter of credit covering your order No. 500 has not yet reached us in spite of our repeated requests. We have been working on the manufacturers to execute your order at higher prices.
Therefore we request you open an L/C urgently so that we can make the shipment stipulated.

12. 收到信用证后，立刻装运货物
The goods of your order are being manufactured in time for the shipping date requested. You inform us that you will open an irrevocable L/C, valid until August 31 and we as k you to send it promptly.
Immediately on arrival of the L/C we will pack and ship the goods urgently as requested.

13. 通知准备装运，并督促尽早开立信用证
We are pleased to confirm your order for electric typewriters amounting to US$100,000. As requested, we are preparing to make shipment by the end of October and would request you open an irrevocable L/C in our favor as soon as possible, valid until November 20.

14. 要求修改信用证的付款条件
According to the L/C we received, the payment is to be made at 120 d/s. But we want it to be made at sight. This has been agreed to by you and expressly mentioned in your order sheet. Therefore please amend it as stated.

15. 因分批装运而必须修改信用证
We have just received your advice that you cannot carry out the complete shipment covering our order for sundries at one sailing. Therefore we have instructed our bankers to amend the L/C so that partialshipments may be allowed.

16. 因工厂罢工，要求延长信用证期限
We are afraid the L/C may expire before shipment because of the strike in our factory. Therefore please explain our situation to your customers and try to get their consent to extend the L/C to August 31.

17. 要求修改信用证的计价方法
Your order has been accepted on FOB basis. Your L/C is described as C&F basis and some differences will be made between the invoice amount and the amount of you require. Therefore please amend the price of your L/C to FOB basis.

18. 由于船位不足，请求延长信用证的期限
In spite of our effort, we find it impossible to secure space for the shipment owing to the unusual shortage of shipping space. Please allow us to request that you extend your L/C to April 10.

19. 答应延长信用证的期限
As requested in your letter of April 10, we have instructed our bankers to extend the L/C No. 1025 up to and including October 31. Therefore you will receive the extension advice by this weekend.