The futures company shall log in to the unified account opening system of the monitoring center to cancel the customer transaction code. After receiving the application for cancellation of the trading code of the futures company's customers, the monitoring center shall forward it to the relevant futures exchange on the same day, and the futures exchange shall timely feed back the processing result of the application for cancellation of the trading code of the futures company's customers to the monitoring center, and the monitoring center shall feed back the futures company accordingly. If the new version of chapter practice, pre-test paper, complete high-quality question bank+examinee's notes sharing, real-time update, software and futures exchange cancel the customer transaction code, it shall notify the monitoring center on the day of cancellation, and the monitoring center shall notify the futures company accordingly.