Competition The concurrency regime
While the CMA is the principal regulator with responsibility for the public enforcement of competition law, functions of the CMA under Part 1 of the Competition Act 1998, and in effect those functions under Part 4 of the Enterprise Act 2002 which relate to market studies and the making of a reference for a market investigation, are exercisable concurrently by sector regulators; Ofgem, Ofcom, Ofwat, the Northern Ireland Authority for Utility Regulation, the Office of Rail and Road, the Civil Aviation Authority, the Financial Conduct Authority and the Payment Systems Regulator. The regulators have these functions by virtue of provision made by the:
Gas Act 1986;
Electricity Act 1989;
Water Industry Act 1991;
Electricity (Northern Ireland) Order 1992;
Railways Act 1993;
Gas (Northern Ireland) Order 1996;
Water and Sewerage Services (Northern Ireland) Order 2006
Transport Act 2000;
Financial Services and Markets Act 2000;
Communications Act 2003;
Civil Aviation Act 2012; and the
Financial Services (Banking Reform) Act 2013.