Related Rule
Argentina
Practice Relating to Rule 54. Attacks against Objects Indispensable to the Survival of the Civilian Population
Argentina’s Law of War Manual (1989) states that, in the course of armed conflicts not of an international character, “objects indispensable to the survival of the civilian population enjoy special protection”. 
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, § 7.09.