International organizations — Immunity — Jurisdictional immunity — Contracts of employment — NATO — Headquarters Allied Forces Southern Europe — Nationals of receiving State employed as telephonists — Claim for higher remuneration — Whether Headquarters entitled to immunity — NATO Status of Forces Agreement, 1951 — Paris Agreement between Italy and the Supreme Allied Commander Europe, 1961

Relationship of international law and municipal law — Treaties — Effect in national law — Whether conferring rights upon individuals

Treaties — Effect in municipal law — The law of Italy