54The Court finds that the infringement of the principle of equal treatment alleged by the applicant is based on the fact that Council Regulation (ECSC, EEC, Euratom) No 2426/91 of 29 July 1991 amending Regulation No 422/67/EEC-5/67/Euratom determining the emoluments of the President and Members of the Commission, the President, Judges, Advocates General and Registrar of the Court of Justice and the President, Members and Registrar of the Court of First Instance and Regulation (EEC, Euratom, ECSC) No 2290/77 determining the emoluments of the Members of the Court of Auditors (OJ 1991 L 222, p. 1; ‘Regulation No 2426/91’) enables the persons to whom it applies to continue to enjoy cover under the Common Scheme in certain circumstances after they have ceased to hold office.