Judgment of the Court (First Chamber) of 10 March 2021.#VK v An Bord Pleanála.#Request for a preliminary ruling from the Supreme Court (Ireland).#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.#Case C-739/19.