Соответствующая норма
Italy
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section D. Political offence exception to extradition
Italy’s Constitution (1947), as amended, provides:
(1) The extradition of a citizen may be permitted only in such cases as are expressly provided for in international conventions.
(2) In no instance shall it be permitted for political offences. 
Italy, Constitution, 1947, as amended, Article 26.