Case C-612/16: Judgment of the Court (Eighth Chamber) of 19 June 2019 (request for a preliminary ruling from the First-tier Tribunal (Tax Chamber) — United Kingdom) — C & J Clark International Ltd v Commissioners for Her Majesty’s Revenue & Customs (Reference for a preliminary ruling — Anti-dumping — Interpretation and validity of regulations re-imposing anti-dumping duties following the delivery by the Court of a judgment declaring invalidity — Legal basis — Non-retroactivity — Limitation)