Related Rule
Argentina
Practice Relating to Rule 79. Weapons Primarily Injuring by Non-Detectable Fragments
Argentina’s Law of War Manual (1989) provides that it is prohibited “to use any weapon the primary effect of which is to injure by fragments which in the human body escape detection by X-ray”. 
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, § 4.16.