Judgment of the Court of First Instance of 22 November 2001 in Case T-9/98: Mitteldeutsche Erdoel-Raffinerie GmbH v Commission of the European Communities (State aid — Extension of the period for completion of investment projects qualifying for a premium — General aid scheme — Action for annulment — Admissibility — Act of direct and individual concern to the applicant — Interest in bringing proceedings — Additional aid — Investment aid or operating aid — Principle of proportionality)