Changes made by Council Regulation (ECSC, EEC, Euratom) No 3835/91 of 19 December 1991 adapting the representation and special- duty allowances for 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
EU Regulation No 3835/1991
No changes made by Council Regulation (ECSC, EEC, Euratom) No 3835/91 of 19 December 1991 adapting the representation and special- duty allowances for 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 are recorded.
From legislation.gov.uk's record of changes, the official one: see it there.