Related Rule
Practice Relating to Rule 32. Humanitarian Relief Objects
Italy’s Combatant’s Manual (1998) states:
International Red Cross Delegates and the equipment and facilities they use are protected by the emblem of the International Committee of the Red Cross.
IT IS PROHIBITED to carry out hostile acts of any kind against … objects protected by this emblem, except in cases of legitimate defence. 
Italy, Manuale del Combattente, SME 1000/A/2, Stato Maggiore Esercito/Reparto Impiego delle Forze, Ufficio Dottrina, Addestramento e Regolamenti, 1998, § 243.
[emphasis in original]