Соответствующая норма
Practice Relating to Rule 19. Control during the Execution of Attacks
Italy’s LOAC Elementary Rules Manual (1991) states: “If in the course of an attack the target or the objective appears not to be military, the commander shall deviate or cancel the attack.” 
Italy, Regole elementari di diritto di guerra, SMD-G-012, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, § 56.