Council Directive 91/441/EEC of 26 June 1991 amending Directive 70/220/EEC on the approximation of the laws of the Member States relating to measures to be taken against air pollution by emissions from motor vehicles
TREATY ESTABLISHING THE EUROPEAN ECONOMIC COMMUNITY, PART FIVE - INSTITUTIONS OF THE COMMUNITY, TITLE I - PROVISIONS GOVERNING THE INSTITUTIONS, CHAPTER 1: THE INSTITUTIONS, SECTION 2: THE COUNCIL, ARTICLE 149