Case C-228/09: Judgement of the Court (Third Chamber) of 20 May 2010 — European Commission v Republic of Poland (Failure of a Member State to fulfil its obligations — VAT — Directive 2006/112/EC — Articles 78, 79, 83 and 86 — Taxable amount — Sale of a car — Inclusion in the taxable amount of a duty applicable to non-registered cars)