Related Rule
Portugal
Practice Relating to Rule 161. International Cooperation in Criminal Proceedings
Section A. Cooperation between States
Portugal’s Law on International Judicial Cooperation in Criminal Matters (1999), as amended in 2001, applies to the following forms of international cooperation in criminal matters: extradition; transfer of proceedings in criminal matters; enforcement of criminal judgments; transfer of persons sentenced to any punishment, or measure, involving deprivation of liberty; supervision of conditionally sentenced or conditionally released persons; and mutual legal assistance in criminal matters. These “shall apply, as appropriate, to the cooperation between Portugal and any international judicial entities established within the framework of treaties or conventions that bind the Portuguese State”. 
Portugal, Law on International Judicial Cooperation in Criminal Matters as amended, 1999, Article 1(1) and (2).