Case C-43/14: Judgment of the Court (Second Chamber) of 26 February 2015 (request for a preliminary ruling from the Nejvyšší správní soud — Czech Republic) — ŠKO-ENERGO s.r.o. v Odvolací finanční ředitelství (Reference for a preliminary ruling — Protection of the ozone layer — Scheme for greenhouse gas emission allowance trading within the European Union — Method of allocating allowances — Allocation of allowances free of charge — Application of gift tax to such an allocation)