Related Rule
Argentina
Practice Relating to Rule 156. Definition of War Crimes
Argentina’s Law of War Manual (1989) states that “grave breaches are considered as war crimes” and provides a list of grave breaches. 
Argentina, Leyes de Guerra, PC-08-01, Público, Edición 1989, Estado Mayor Conjunto de las Fuerzas Armadas, aprobado por Resolución No. 489/89 del Ministerio de Defensa, 23 April 1990, § 8.03.