Customers can send trading instructions by writing, telephone, computer, Internet, etc. It means that a futures company should establish a management system of trading orders entrustment, and make an agreement with customers on the entrustment methods and procedures, and issue trading orders according to the entrustment of customers, and shall not conduct futures trading without the entrustment of customers or according to the contents entrusted by customers. Employees of a futures company shall not accept the futures trading entrustment of customers without permission. Where a trading order is issued in written form, the customer shall fill in a written trading order form; Where a trading order is issued by telephone, the futures company shall record it synchronously. Where trading orders are issued by means of entrustment such as computers and the Internet, the futures company shall issue trading orders through the Internet in an appropriate way, and the futures company shall give special tips on the risks of Internet trading. A futures company shall examine the trading orders of customers, transmit the trading orders of customers according to the principle of time priority, and verify the funds and positions in customers' accounts before transmitting the trading orders.