Соответствующая норма
Spain
Practice Relating to Rule 91. Corporal Punishment
Spain’s LOAC Manual (1996) states that corporal punishment of prisoners of war or persons protected by the 1949 Geneva Convention IV is prohibited at any time and in any place, whether carried out by military or by civilian agents. 
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, §§ 8.2.c and 8.7.b.
Spain’s LOAC Manual (2007) states:
[N]o person who is captured or detained in relation to an armed conflict remains unprotected under the law of armed conflict and is entitled, at all times, to minimum guarantees. [These include] … prohibition of the following acts at any time and in any place, whether committed by civilian or military agents:
4. corporal punishment. 
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, § 8.2.c; see also § 1.4.
The manual also states that prisoners of war must not be subjected to “corporal punishment”. 
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, § 8.7.b.