No matter how the foreign exchange is paid, the spot exchange rate of China Bank on the day when the foreign exchange is remitted into the account or sold to the bank shall prevail. The foreign exchange of the letter of credit is also based on the foreign exchange rate when the foreign exchange reaches the negotiating bank after payment by the issuing bank.
If the foreign exchange is not paid immediately when it arrives at the negotiating bank, the exchange rate on the day of payment shall prevail.