As long as the bill of lading is true, you can take delivery. If it is altered, it may be punished. If it is inconsistent with the letter of credit, it cannot be settled. Enterprises or individuals will buy and sell foreign exchange according to the exchange rate. Professional import and export companies, according to the needs of import business and according to the foreign exchange quotation published by the state, use their own currencies to buy foreign currencies from professional foreign exchange banks, remit them abroad, or export them.

In foreign trade, it is called settlement of foreign exchange when it is sold to foreign exchange banks at quoted prices and converted into local currency. China's foreign exchange quotation regulations are published daily by the Bank of China, and foreign exchange management is also carried out by the Bank of China. There are buying price and selling price. The selling price is higher than the buying price, and the difference between them is the handling fee of bank exchange, or exchange income. Extended data

The negotiating bank buys the beneficiary's (exporter's) bills and documents according to the terms of the letter of credit, and deducts the interest from the negotiation date to the expected receipt date from the par value, and the balance is converted into RMB according to the foreign exchange quotation on the negotiation date and allocated to foreign trade companies. After the negotiating bank advances funds to the beneficiary to purchase the documentary draft, it becomes the holder and can claim payment from the paying bank against the bill.

The purpose of bank export bill is to provide financing for foreign trade enterprises, which is conducive to the capital turnover of foreign trade companies. But at present, banks can't fully guarantee the security of letters of credit, so this method of foreign exchange settlement has not been widely used at present.