Joined Cases T-30/01 to T-32/01 and T-86/02 to T-88/02: Judgment of the Court of First Instance of 9 September 2009 — Diputación Foral de Álava and Others v Commission (State aid — Tax advantages granted by a territorial entity within a Member State — Tax exemptions — Decisions declaring aid schemes incompatible with the common market and requiring recovery of aid paid out — Classification as new aid or as existing aid — Operating aid — Principle of the protection of legitimate expectations — Principle of legal certainty — Decision initiating the formal investigation procedure under Article 88(2) EC — No need to adjudicate)