Defined term

“the CMA”

Defined in 29 Acts, 23 statutory instruments and 1 EU-derived instrument.

  1. Broadcasting Act 1990 Act
  2. The Business Protection from Misleading Marketing Regulations 2008 SI
  3. Civil Aviation Act 2012 Act 3 definitions
  4. Communications Act 2003 Act 2 definitions
  5. Competition Act 1998 Act
  6. The Competition Act 1998 (Competition and Markets Authority's Rules) Order 2014 SI 2 definitions
  7. The Competition Act 1998 (Public Transport Ticketing Schemes Block Exemption) (Amendment) Order 2016 SI
  8. The Competition Act 1998 (Public Transport Ticketing Schemes Block Exemption) (Amendment) Order 2025 SI
  9. The Competition (Amendment etc.) (EU Exit) Regulations 2019 SI
  10. The Competition Appeal Tribunal Rules 2015 SI
  11. The Consumer Contracts (Information, Cancellation and Additional Charges) Regulations 2013 SI
  12. The Consumer Protection (Distance Selling) Regulations 2000 SI
  13. Consumer Rights Act 2015 Act
  14. The Consumer Rights (Payment Surcharges) Regulations 2012 SI
  15. Digital Markets, Competition and Consumers Act 2024 Act 2 definitions
  16. The Digital Markets, Competition and Consumers Act 2024 (CMA Consumer Enforcement Rules) Regulations 2025 SI
  17. Electricity Act 1989 Act
  18. Energy Act 2004 Act 2 definitions
  19. Energy Act 2023 Act
  20. Enterprise Act 2002 Act
  21. Enterprise and Regulatory Reform Act 2013 Act 2 definitions
  22. The Enterprise and Regulatory Reform Act 2013 (Amendment) (Gas and Electricity Appeals) Regulations 2015 SI
  23. The Enterprise and Regulatory Reform Act 2013 (Commencement No. 3, Transitional Provisions and Savings) Order 2013 SI
  24. The Enterprise and Regulatory Reform Act 2013 (Commencement No. 6, Transitional Provisions and Savings) Order 2014 SI
  25. The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) (No. 2) Order 2014 SI 2 definitions
  26. The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 SI 6 definitions
  27. Financial Services and Markets Act 2000 Act 2 definitions
  28. Financial Services (Banking Reform) Act 2013 Act 6 definitions
  29. The Financial Services (Distance Marketing) Regulations 2004 SI
  30. Gas Act 1986 Act
  31. The Heat Networks (Market Framework) (Great Britain) Regulations 2025 SI
  32. Law Reform (Miscellaneous Provisions) (Scotland) Act 1990 Act
  33. Legal Services Act 2007 Act
  34. The Motor Fuel Price (Open Data) Regulations 2025 SI
  35. National Health Service Act 2006 Act
  36. National Security and Investment Act 2021 Act
  37. Nuclear Energy (Financing) Act 2022 Act
  38. The Operation of Air Services ... (Pricing etc.) Regulations 2013 SI
  39. Postal Services Act 2011 Act
  40. The Postal Services (Appeals to the Competition Commission) (Investigations and Extension of Time Limits) Order 2011 SI
  41. Procurement Act 2023 Act
  42. The Public Bodies (Abolition of the National Consumer Council and Transfer of the Office of Fair Trading’s Functions in relation to Estate Agents etc) Order 2014 SI
  43. Railways Act 1993 Act
  44. Regulation (EU) No 1227/2011 of the European Parliament and of the Council of 25 October 2011 on wholesale energy market integrity and transparency (Text with EEA relevance) EU regulation
  45. Regulation of Investigatory Powers Act 2000 Act
  46. Solicitors (Scotland) Act 1980 Act
  47. Subsidy Control Act 2022 Act
  48. Transport Act 2000 Act 2 definitions
  49. The Unfair Terms in Consumer Contracts Regulations 1999 SI
  50. United Kingdom Internal Market Act 2020 Act 2 definitions
  51. Water Act 2014 Act 2 definitions
  52. Water Industry Act 1991 Act
  53. The Water Industry Designated Codes (Appeals to the Competition and Markets Authority) Regulations 2017 SI

Definitions are taken from the instruments as published on zoomLaw, for guidance only. Check the instrument itself for its scope and any amendments.