Соответствующая норма
Benin
Practice Relating to Rule 116. Accounting for the Dead
Section C. Marking of graves and access to gravesites
Benin’s Military Manual (1995) provides: “The graves shall be marked so that they can be easily found.” 
Benin, Le Droit de la Guerre, III fascicules, Forces Armées du Bénin, Ministère de la Défense nationale, 1995, Fascicule II, p. 12.