The buyer has the right to cancel the contract unilaterally if the seller fails to ship the goods within the L/C validity.
如果卖方不能在信用证有效期内交货的话,买方有权单方面取消合同。
If this facilitates forgery, it is the bank which will lose, not the customer.
如果因这种作法出现了伪造的话,受损失的将不是储户,而是银行。