Case C-174/11: Judgment of the Court (Second Chamber) of 15 November 2012 (reference for a preliminary ruling from the Bundesfinanzhof — Germany) — Finanzamt Steglitz v Ines Zimmermann (Sixth VAT Directive — Exemptions — Article 13A(1)(g) and (2) — Services closely linked to welfare and social security work supplied by bodies governed by public law or organisations recognised as charitable — Recognition — Conditions not applicable to organisations other than bodies governed by public law — Discretion of the Member States — Limits — Principle of fiscal neutrality)