Case C-275/10: Judgment of the Court (First Chamber) of 8 December 2011 (reference for a preliminary ruling from the Hoge Raad der Nederlanden — Netherlands) — Residex Capital IV CV v Gemeente Rotterdam (Article 88(3) EC — State aid — Aid granted in the form of a guarantee to a lender for the purpose of enabling the latter to grant a loan to a borrower — Infringement of procedural rules — Obligation to recover — Nullity — Powers of the national court)