1、 An offer can be withdrawn and revoked at any time business negotiation.

2、（判断题） Stipulations related to the partial shipment consist of whether partial shipment is allowed or not.

3、 The acceptance credit does not requires usance draft while deferred payment credit requires usance draft

4、 So far, documentary credits are the most ideal method of payment to provide security for both buyers and sellers. Therefore, in whatever conditions, L/C should be the first consideration in the method of payment for all transactions.

5、 Straight B/L and order B/L are transferable in the practice.

6、 Under a sight credit, the beneficiary is entitled to receive payment at once on presentation of his draft to the issuing bank if drawn on the issuing bank, once the relevant documents have been checked and found to be in order.

7、 According to international practice, there are usually two arbitrators, which are appointed by both parties respectively.

8、 Time of shipment in a contract can only be a fixed period of time.

9、 Unclean B/L is acceptable to the buyer and the banks.

10、 When a letter of credit is confirmed , all of the risks are then borne by the confirming bank free of charge.