State immunity — Jurisdictional immunity — Foreign States — Institutes 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 of non-interference by Italian State — Entitlement to jurisdictional immunity — The law of Italy