Extradition — Jurisdiction of requesting State — Vatican City Institute of Religious Works — Whether jurisdictional immunity precluding extradition of officials of Institute to Italy — Lateran Treaty, 1929, Article 11

State immunity — Jurisdictional immunity — Foreign States — Entities of foreign States — Vatican City Institute for Religious Works — Scope of entitlement of Institute and its officials to jurisdictional immunity — Criminal proceedings

States — Holy See — Vatican City — Status under international law — Lateran Treaty, 1929, Article 11 — Central institutions of Catholic Church — Right to non-interference from Italian State — The law of the State of the Vatican City