Repay in RMB after settlement of foreign exchange. The global RMB bookkeeping method of visa Credit Card of Bank of China is that foreign currency transactions occurring abroad are uniformly settled into RMB according to the foreign exchange quotation published by Bank of China on the same day, and only RMB is needed for repayment after settlement. Bank of China can enjoy the cashback service of up to 50 pounds with visa debit card, without paying any handling fee.