Opinion of the Economic and Social Committee on the "Proposal for a Council Regulation on the implementation of the rules on competition laid down in Articles 81 and 82 of the Treaty and amending Regulations (EEC) No 1017/68, (EEC) No 2988/74, (EEC) No 4056/86 and (EEC) No 3975/87 (Regulation implementing Articles 81 and 82 of the Treaty)".