20.10.2000 Official Journal of the European Communities L 267/63 COMMISSION DECISION of 17 October 2000 amending its Rules of Procedure (2000/633/EC, ECSC, Euratom) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Community, and in particular Article 218(2) thereof, Having regard to the Treaty establishing the European Coal and Steel Community, and in particular Article 16 thereof, Having regard to the Treaty establishing the European Atomic Energy Community, and in particular Article 131 thereof, Having regard to the Treaty on the European Union, and in particular Articles 28(1) and 41(1) thereof, HAS DECIDED AS FOLLOWS: Article 1 The rules of Procedure of the Commission are hereby amended as follows: 1. In Article 23, the following paragraph is added: ‘The Commission may adopt supplementary measures relating to the functioning of the Commission and of its departments, which shall be annexed to these Rules of Procedure. 2. The Code of Good Administrative Behaviour contained in the Annex to this Decision is annexed. Article 2 This Decision shall enter into force on 1 November 2000. Article 3 This Decision shall be published in the Official Journal of the European Communities. Done at Brussels, 17 October 2000. For the Commission The President Romano PRODI