Case C-362/12: Judgment of the Court (Third Chamber) of 12 December 2013 (request for a preliminary ruling from the Supreme Court of the United Kingdom) — Test Claimants in the Franked Investment Income Group Litigation v Commissioners of Inland Revenue, Commissioners for Her Majesty’s Revenue and Customs (Judicial protection — Principle of effectiveness — Principles of legal certainty and the protection of legitimate expectations — Restitution of sums paid but not due — Remedies — National legislation — Curtailment of the limitation period for the applicable remedies without notice and retroactively)