The Deputy Military Advocate General assists the Military Advocate General (MAG) in his duties, coordinates and administers the general operations of the entire Corps, including the budget and human resources and acts as substitute for the Military Advocate General in his absence. Furthermore, in accordance with section 178 of the Military Justice Act, the Deputy MAG has the power to order cancellation of an indictment and to cancel or alter disciplinary verdicts.

The Deputy Military Advocate General is also authorized by a specific Supreme Military Command Order to approve promotions in rank, regarding those who are currently undergoing investigation or under certain circumstances have undergone inquiries by the investigative branch of the military police.

In addition, according to a General Staff Order, the Deputy Military Advocate General may recommend to the office of the President clemency for those soldiers or officers who were convicted by a military court.