Case C-189/11: Judgment of the Court (Third Chamber) of 26 September 2013 — European Commission v Kingdom of Spain (Failure of a Member State to fulfil obligations — Taxation — VAT — Directive 2006/112/EC — Articles 306 to 310 — Special scheme for travel agents — Discrepancies between language versions — National legislation providing for the application of the special scheme to persons other than travellers — Concepts of ‘traveller’ and ‘customer’ — Exclusion from the special scheme of certain sales to the public — Mention in the invoice of an amount of deductible VAT not related to the input tax due or paid — Overall determination of the taxable amount for a given period — Not compatible)