Соответствующая норма
Italy
Practice Relating to Rule 65. Perfidy
Section D. Simulation of surrender
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: … feigning of surrender.” 
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:
Parlementaires, i.e. those who request to meet with the Commanding Officer of the enemy unit to discuss a ceasefire or to surrender, are protected by the “White flag”.
IT IS PROHIBITED to deceive the enemy by raising a white flag and then opening fire. 
Italy, Manuale del Combattente, SME 1000/A/2, Stato Maggiore Esercito/Reparto Impiego delle Forze, Ufficio Dottrina, Addestramento e Regolamenti, 1998, § 247.
[emphasis in original]