信用证欺诈例外原则是相对信用证的独立原则而言的。所谓信用证的独立原则是指买方基于买卖合同才向银行申请开证 ,但信用证一经开出 ,就脱离了原买卖合同而独立存在。它包括两方面的内容 :第一 ,开证行与受益人之间的信用证合同关系独立于受益人与开证申请人之间的基础合同关 The exception of the letter of credit fraud principle is relative to the independence of the letter of credit. The so-called independence principle of the letter of credit refers to the buyer based on the contract for the sale of the contract to apply for issuing bank, but the letter of credit issued on the out of the original contract for sale and exist independently. It includes two aspects: First, the letter of credit contract between the issuing bank and the beneficiary is independent of the basic contract between the beneficiary and the issuing applicant