Judgment of the Court of First Instance of 23 February 2001 in Joined Cases T-7/98, T-208/98 and T-109/99; Carlo De Nicola v European Investment Bank (European Investment Bank — Staff — Action for annulment — Admissibility — Time-limit for initiating action — Substance — Anual performance appraisal — Promotion — Consideration of comparative merits — Principle of equal treatment — Misuse of powers — Mental harassment — Resignation — Conditions of validity — Form — Capacity — Refusal of administration to accept withdrawal of resignation — Request to remove documents from the file — Action for damages)