ABC Analysis According to Article 56 of the Measures for the Administration of Futures Companies, customers can issue trading orders by written, telephone, computer, Internet and other entrustment methods. 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 three parties through computers or the Internet, the futures company shall keep the trading orders in an appropriate way.