This guide to the merger control rules and procedures at both national and EU levels identifies whether a transaction will come under the UK or the EU system, who needs to be notified, when and how notifications need to be filed, and the various stages of the process. Account is taken of the legislative and interpretive measures introduced by the European Commission in December 1994 on the application of the EC Merger Regulation; as well as the UK statutory instruments enacted in March 1996 to amend merger control and competition rules, and recent developments involving mergers in the privatized utilities. Also included are the texts of the relevant UK and EU legislation.