Case C-641/18: Judgment of the Court (First Chamber) of 7 May 2020 (request for a preliminary ruling from the Tribunale di Genova — Italy) — LG and Others v Rina SpA, Ente Registro Italiano Navale (Reference for a preliminary ruling — Judicial cooperation in civil matters — Regulation (EC) No 44/2001 — Article 1(1) — Concepts of ‘civil and commercial matters’ and ‘administrative matters’ — Scope — Activities of ship classification and certification societies — Acta iure imperii and acta iure gestionis — Public powers — Immunity from jurisdiction)