Related Rule
Italy
Practice Relating to Rule 6. Civilians’ Loss of Protection from Attack
Italy’s LOAC Elementary Rules Manual (1991) provides: “Civilians may not participate directly in hostilities and may not be attacked, unless they take a direct part in hostilities.” 
Italy, Regole elementari di diritto di guerra, SMD-G-012, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, § 10.
Italy’s Combatant’s Manual (1998) states: “Anyone who takes part in military operations or activities is considered a combatant.” 
Italy, Manuale del Combattente, SME 1000/A/2, Stato Maggiore Esercito/Reparto Impiego delle Forze, Ufficio Dottrina, Addestramento e Regolamenti, 1998, § 250.
The manual further states: “IT IS NOT PERMITTED in any case to attack civilians unless they carry out hostile acts or take part in belligerent actions or operations.” 
Italy, Manuale del Combattente, SME 1000/A/2, Stato Maggiore Esercito/Reparto Impiego delle Forze, Ufficio Dottrina, Addestramento e Regolamenti, 1998, § 250.
(emphasis in original)