broker to disclaim its liability to its clients in respect of any willful act or omission or negligent act by the derivatives broker or its employees or any person who works for the derivatives broker

believe that there is or was a demeanor of negligent act relating to reasonable supervision to prevent juristic person or business under one’s management or to prevent staffs under one’s supervision (if any

supporting such demeanors of other persons; (2) having a reasonable ground to believe that there is or was a demeanor of negligent act relating to reasonable supervision to prevent juristic person or business