A Trading Member must ensure its Trading Representatives do not misuse customers' accounts for third party trading. In this regard, contract notes and statements must be sent to the customer's residential address, and not to "care-of" address, "PO Box" address or the Trading Representative's address. However, if the customer chooses otherwise, the Trading Member must explain the risk of unauthorised trading to the customer, get written acknowledgement, and monitor the trading activities for any unauthorised trading in customers' accounts.