Norma relacionada
Practice Relating to Rule 116. Accounting for the Dead
Section C. Marking of graves and access to gravesites
Switzerland’s Basic Military Manual (1987) provides that graves shall be “respected and marked with a distinctive sign” and “properly maintained and marked”. 
Switzerland, Lois et coutumes de la guerre (Extrait et commentaire), Règlement 51.7/II f, Armée Suisse, 1987, Article 71(2) and Article 76, commentary.