Case C-739/19: Judgment of the Court (First Chamber) of 10 March 2021 (request for a preliminary ruling from the Supreme Court — Ireland) — VK v An Bord Pleanála (Reference for a preliminary ruling — Lawyers’ freedom to provide services — Directive 77/249/EEC — Article 5 — Obligation for a visiting lawyer representing a client in domestic legal proceedings to work in conjunction with a lawyer who practises before the judicial authority in question — Limits)