Case C-480/10: Judgment of the Court (Fourth Chamber) of 25 April 2013 — European Commission v Kingdom of Sweden (Failure of a Member State to fulfil obligations — Taxation — Directive 2006/112/EC — Article 11 — National legislation restricting the possibility of forming a group of persons which can be regarded as a single taxable person for VAT purposes to undertakings in the financial and insurance sector)