客户身份资料在业务关系结束后、客户交易信息在交易结束后，应当至少保存五年。

Upon conclusion of a business relationship or transaction, the data of a client's identity or information concerning a client's transaction shall be kept for at least five years.

youdao

客户身份资料在业务关系结束后、客户交易信息在交易结束后，应当至少保存五年。

Upon conclusion of a business relationship or transaction, the data of a client's identity or information concerning a client's transaction shall be kept for at least five years.

youdao