Соответствующая норма
Practice Relating to Rule 114. Return of the Remains and Personal Effects of the Dead
Section A. Return of the remains of the dead
Switzerland’s Basic Military Manual (1987) provides: “If possible, the remains of the deceased shall be repatriated to the country of origin, according to special agreements.” 
Switzerland, Lois et coutumes de la guerre (Extrait et commentaire), Règlement 51.7/II f, Armée Suisse, 1987, Article 71(2).