Extradition — European Convention on Extradition, 1957 — European Union Framework Decision 2002/584/JHA — Extradition Act 2003 — Issue of European Arrest Warrants — Meaning of (issuing) “judicial authority” — Whether public prosecutor an issuing “judicial authority” — Validity of European Arrest Warrant issued by a public prosecutor — Vienna Convention on the Law of Treaties, 1969 — Presumption that United Kingdom legislating in conformity with its international obligations — Rebuttal of presumption with clear parliamentary intent — Pupino not binding on United Kingdom courts — Pepper v. Hart principle concerning scrutiny of parliamentary material in cases of ambiguous primary legislation

Relationship of international law and municipal law — Treaties — Interpretation — European Union Framework Decision 2002/584/JHA — Extradition Act 2003

Treaties — Interpretation — Vienna Convention on the Law of Treaties, 1969 — Subsequent practice of the parties — The law of England