Соответствующая норма
Spain
Practice Relating to Rule 79. Weapons Primarily Injuring by Non-Detectable Fragments
Spain’s LOAC Manual (1996) imposes an “absolute prohibition on the use of … weapons the primary effect of which is to injure by fragments which in the human body escape detection by X-rays”. 
Spain, Orientaciones. El Derecho de los Conflictos Armados, Publicación OR7-004, 2 Tomos, aprobado por el Estado Mayor del Ejército, Division de Operaciones, 18 March 1996, Vol. I, § 3.2.a.(2).
Spain’s LOAC Manual (2007) states that there is an absolute prohibition on the use of certain weapons, including “[w]eapons whose primary effect is to injure by fragments which in the human body escape detection by X-rays”. 
Spain, Orientaciones. El Derecho de los Conflictos Armados, Tomo 1, Publicación OR7–004, (Edición Segunda), Mando de Adiestramiento y Doctrina, Dirección de Doctrina, Orgánica y Materiales, 2 November 2007, § 3.2.b.