27/04/2001 (Agence Europe) - The Single Market Observatory of the European Economic and Social Committee (ESC) is organising a colloquium in Brussels on 3 May on "Co-regulation in the Single Market: what role for socio-economic interest groups?". Taking part will be representatives of socio-economic organisations, as well as officials from departments of the European Commission concerned (DG Enterprise, Employment and Social Affairs, Environment, Health and Consumer Protection, Single Market). Information: Jakob Andersen, ESC in Brussels. Tel: 32 2 546 92 58. E-mail: smo@esc.eu.int