Case C-293/06: Judgment of the Court (Fourth Chamber) of 28 February 2008 (reference for a preliminary ruling from the Finanzgericht Hamburg, Germany) — Deutsche Shell GmbH v Finanzamt für Großunternehmen in Hamburg (Freedom of establishment — Taxation of companies — Monetary effects upon the repatriation of start-up capital granted by a company established in one Member State to its permanent establishment in another Member State)