Соответствующая норма
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section D. Political offence exception to extradition
Nigeria’s Extradition Act (1967) states that a “fugitive criminal shall not be surrendered if the Attorney-General or a court dealing with the case is satisfied that the offence in respect of which his surrender is sought is an offence of a political character”. 
Nigeria, Extradition Act, 1967, Article 3(1).