Joined Cases C-288/09 and C-289/09: Judgment of the Court (Second Chamber) of 14 April 2011 (references for a preliminary ruling from the First-tier Tribunal (Tax Chamber) (United Kingdom)) — British Sky Broadcasting Group plc (C-288/09), Pace plc (C-289/09) v The Commissioners for Her Majesty's Revenue & Customs (Common Customs Tariff — Tariff classification — Combined Nomenclature — Digital satellite television receivers and decoders with a recording function — Community Customs Code — Article 12(5)(a)(i) and (6) — Period of validity of a binding tariff information)