Transcripción del resumen original del autor: This report present the work conducted during the 2000-2003 triennium by Working Committee 5 and its three Study Groups: Study Group 5.1 "Improved procedures for customer connections" Study group 5.2 "Evolution of metering in a competitive market" Study group 5.3 "Regulatory safety policies" The first part of the report explains the context of market deregulation that forms the backdrop to their work. It is followed by a full presentation of the reports of each Study Group. The list of WOC 5 members is given in annex.