Соответствующая норма
Italy
Practice Relating to Rule 100. Fair Trial Guarantees
Italy’s IHL Manual (1991) provides that the violation of “the right to a regular and impartial trial for acts committed in connection with an armed conflict” constitutes a grave breach of the 1949 Geneva Conventions and their 1977 Additional Protocols. 
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.