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Italy
Practice Relating to Rule 7. The Principle of Distinction between Civilian Objects and Military Objectives
Section C. Attacks against civilian objects in general
Italy’s IHL Manual (1991) provides: “A bombardment the only aim of which is to target the civilian population or to destroy or damage civilian objects is prohibited.” 
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, § 13.
Italy’s LOAC Elementary Rules Manual (1991) provides: “Civilian objects shall not be attacked.” 
Italy, Regole elementari di diritto di guerra, SMD-G-012, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, § 11.
Italy’s Law of War Decree (1938), as amended in 1992, states that “bombardment, the sole purpose of which is … to destroy or damage objects which are of no military interest,” is prohibited. 
Italy, Law of War Decree, 1938, as amended in 1992, Article 42.