Europees Verdrag tot bestrijding van terrorisme, Straatsburg , 27-01-1977

Nothing in this Convention shall be interpreted as imposing an obligation to extradite if the requested State has substantial grounds for believing that the request for extradition for an offence mentioned In Article 1 or 2 has been made for the purpose of prosecuting or punishing a person on account of his race, religion, nationality or political opinion, or that that person's position may be prejudiced for any of these reasons.