Case C-423/07: Judgment of the Court (Fourth Chamber) of 22 April 2010 — European Commission v Kingdom of Spain (Failure of a Member State to fulfil obligations — Directive 93/37/EEC — Articles 3 and 11 — Public works concession contracts — Obligations regarding advertising — Extent of the obligations — Contract notice — Description of the object of the concession and of the location of the works — Additional works not expressly set out in the contract notice or in the tender specifications — Principle of equal treatment)