Соответствующая норма
Practice Relating to Rule 15. The Principle of Precautions in Attack
Section D. Information required for deciding upon precautions in attack
Benin’s Military Manual (1995) states: “Military commanders must inform themselves about concentrations of civilian persons, important civilian objects and specially protected facilities, the natural environment and the civilian environment of military objectives.” 
Benin, Le Droit de la Guerre, III fascicules, Forces Armées du Bénin, Ministère de la Défense nationale, 1995, Fascicule III, p. 12.