القاعدة ذات الصلة
Japan
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section D. Political offence exception to extradition
Japan’s Law on Extradition (1953), as amended in 2004, states:
A fugitive shall not be surrendered in any of the following circumstances …:
(1) When the offence for which extradition is requested is a political offence;
(2) When the request for extradition is deemed to have been made with a view to trying or punishing the fugitive for a political offence which he has committed. 
Japan, Law on Extradition, 1953, as amended in 2004, Article 2.1(1) and (2).