The Canadian Competition Bureau (the Bureau) issued its revised merger enforcement guidelines (MEGs)1 in September 2004. In the first update since their original publication in March 1991, the MEGs exhibit greater convergence with US merger enforcement policy, while retaining some distinctly Canadian policy choices reflective of the provisions of the Canadian Competition Act (the Act). The MEGs are also largely consistent with the new merger control guidelines of the European Commission. The first part of this chapter will briefly outline the MEGs. The second part will discuss some of the similarities and differences between the Canadian merger enforcement guidelines and those of the United States and Europe.