J-GATE provides the Drop Copy function.
BO5 (Order reception and result notice) and BD6 (Trade Execution notice) are shared to the login ID(s) under the admin sub-participants and login ID(s) under the same sub-participant as the login ID which placed the order.
For details, please refer to “4.5 Specifications of Sub-participants’ Authority and Notifications” of "J-GATE3.0_Connectivity_Manual_Commonalities_part".