Related Rule
Italy
Practice Relating to Rule 5. Definition of Civilians
Italy’s LOAC Elementary Rules Manual (1991) defines civilians as those persons “who do not belong to the armed forces”. 
Italy, Regole elementari di diritto di guerra, SMD-G-012, Stato Maggiore della Difesa, I Reparto, Ufficio Addestramento e Regolamenti, Rome, 1991, § 5.