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1·Using letter of indemnity to obtain a clean B/L is a common practice.

用保函换取清洁提单被普遍采用。

2·Letter of Indemnity a letter guaranteeing that contractual provisions will be met, otherwise financial reparations will be made.

赔偿保证书证明交易方将履行合约条款，否则需要作出财务补偿的函件。

3·Compelled with the normal letter of credit and the letter of indemnity, the standby letter of credit is a kind of bank guarantee in the letter of credit form essentially.

与跟单信用证和保函相比较而言，备用信用证实质就是一种信用证形式的银行担保。