Règle correspondante
Spain
Practice Relating to Rule 114. Return of the Remains and Personal Effects of the Dead
Section B. Return of the personal effects of the dead
Spain’s LOAC Manual (1996) stipulates that personal belongings, identity tags and any last will left by the deceased must be sent to the national Information Bureau. 
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, § 5.2.d.(6).
Spain’s LOAC Manual (2007) states: “Efforts must be made to facilitate the return of the … personal effects [of the deceased] to their country of origin”. Such personal effects “must be sent to the national information bureau”. Specifically mentioned personal effects for return include: “identity cards” and “last wills and any other documents of importance to the next of kin, money and, in general, all objects of an intrinsic or sentimental value found on the body”. 
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, § 5.2.d.(6); see also § 6.2.b.(3).