Related Rule
Argentina
Practice Relating to Rule 16. Target Verification
Argentina’s Law of War Manual (1989) states: “Those who plan or decide upon an attack shall, as far as possible, verify that the objectives to be attacked are not civilians, nor civilian objects, nor subject to 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, § 4.07(1).