Judgment of the Court (Grand Chamber) of 8 March 2022.#NE v Bezirkshauptmannschaft Hartberg-Fürstenfeld.#Reference for a preliminary ruling – Freedom to provide services – Posting of workers – Directive 2014/67/EU – Article 20 – Penalties – Proportionality – Direct effect – Principle of the primacy of EU law.#Case C-205/20.