OPINION OF THE ECONOMIC AND SOCIAL COMMITTEE on the Proposal for a Council Regulation (EC) amending Regulation (EEC) No. 1408/71 on the application of social security schemes to employed persons, to self-employed persons and to members of their families moving within the Community, Regulation (EEC) No. 574/72 laying down the procedure for implementing Regulation (EEC) No. 1408/71, Regulation (EEC) No. 1247/92 amending Regulation (EEC) No. 1408/71 and Regulation (EEC) No. 1945/93 amending Regulation (EEC) No. 1247/92.