Under such contracts the exchange rate of the US dollar was required to be within 0.15 per cent of the reference rate, whereas for the HK dollar and Japanese yen, the permitted range was 1 per cent.

• 各银行挂牌的美元买卖汇率不得超过基准汇率上下O.；15%25，港币、日元买卖汇率不得超过基准汇率的1%25。