Judgment of the Court (Grand Chamber), 24 September 2013.#Leyla Ecem Demirkan v Bundesrepublik Deutschland.#Request for a preliminary ruling from the Oberverwaltungsgericht Berlin-Brandenburg.#EEC-Turkey Association Agreement — Additional Protocol — Article 41(1) — ‘Standstill’ clause — Visa requirement for admission to the territory of a Member State — Freedom to provide services — The right of a Turkish national to enter a Member State in order to visit a family member and, potentially, to receive services.#Case C‑221/11. Judgment of the Court (Grand Chamber), 24 September 2013