Related Rule
France
Practice Relating to Rule 114. Return of the Remains and Personal Effects of the Dead
France’s LOAC Teaching Note (2000) provides: “At the end of an engagement, the dead of both sides … should be buried in order to facilitate the possible repatriation of mortal remains.” 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 3.
France’s LOAC Summary Note (1992) provides: “The belongings of the dead must be collected and evacuated to the rear.” 
France, Fiche de Synthèse sur les Règles Applicables dans les Conflits Armés, Note No. 432/DEF/EMA/OL.2/NP, Général de Corps d’Armée Voinot (pour l’Amiral Lanxade, Chef d’Etat-major des Armées), 1992, § 2.1.
France’s LOAC Teaching Note (2000) provides that the personal effects of the dead “shall be collected and transferred to the rear. They shall be returned to the family if it claims them.” 
France, Fiche didactique relative au droit des conflits armés, Directive of the Ministry of Defence, 4 January 2000, annexed to the Directive No. 147 of the Ministry of Defence of 4 January 2000, p. 3.