Opinion of the European Monetary Institute at the request of the Council of the European Union under Articles 106(6) and 109f(8) of the Treaty establishing the European Community (the Treaty) and Article 42 of the Statute of the ESCB on a proposal from the Commission for a Council Regulation (Euratom, ECSC, EC) amending Regulation (Euratom, ECSC, EEC) No 549/69 determining the categories of officials and other servants of the European Communities to whom the provisions of Article 12, the second paragraph of Article 13 and Article 14 of the Protocol on the privileges and immunities of the European Communities apply