Règle correspondante
Italy
Practice Relating to Rule 65. Perfidy
Section G. Simulation of protected status by using the United Nations emblem or uniform
Under Italy’s IHL Manual (1991), grave breaches of international conventions and protocols, including “the perfidious use … of international protective signs”, constitute war crimes. 
Italy, Manuale di diritto umanitario, Introduzione e Volume I, Usi e convenzioni di Guerra, SMD-G-014, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, Vol. I, § 85.
Italy’s LOAC Elementary Rules Manual (1991) states: “It is prohibited to feign a protected status by inviting the confidence of the enemy: misuse of distinctive signs.” 
Italy, Regole elementari di diritto di guerra, SMD-G-012, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, § 46.
Italy’s Combatant’s Manual (1998) states:
The use of protective emblems as “cover” for belligerent actions or to harm the enemy in any way constitutes an ACT OF PERFIDY, which is a serious violation of International Law and severely punished by the Wartime Military Penal Code.
Protective emblems are used for:
-UN personnel, equipment and facilities. 
Italy, Manuale del Combattente, SME 1000/A/2, Stato Maggiore Esercito/Reparto Impiego delle Forze, Ufficio Dottrina, Addestramento e Regolamenti, 1998, § 241.
[emphasis in original]