Council Directive 87/56/EEC of 18 December 1986 amending Directive 78/1015/EEC on the approximation of the laws of the Member States relating to the permissible sound level and exhaust system of motorcycles
TREATY ESTABLISHING THE EUROPEAN ECONOMIC COMMUNITY, PART THREE - POLICY OF THE COMMUNITY, TITLE I - COMMON RULES, CHAPTER 3: APPROXIMATION OF LAWS, ARTICLE 100