Соответствующая норма
Practice Relating to Rule 19. Control during the Execution of Attacks
Benin’s Military Manual (1995) states: “An attack shall be cancelled or suspended if it becomes apparent that the objective, aim or target is not military.” 
Benin, Le Droit de la Guerre, III fascicules, Forces Armées du Bénin, Ministère de la Défense nationale, 1995, Fascicule III, p. 14.