Defined term

“subsidiary”

Defined in 95 Acts, 110 statutory instruments and 5 EU-derived instruments.

  1. Agricultural Holdings Act 1986 Act
  2. Agriculture Act 1993 Act 2 definitions
  3. The Air Navigation (Isle of Man) Order 2007 SI
  4. The Air Navigation (Isle of Man) Order 2015 SI
  5. The Air Navigation Order 2000 SI
  6. The Air Navigation Order 2016 SI
  7. The Air Navigation (Overseas Territories) Order 2001 SI
  8. The Air Navigation (Overseas Territories) Order 2007 SI
  9. The Air Navigation (Overseas Territories) Order 2013 SI
  10. Airports Act 1986 Act
  11. The Amendments to Law (Resolution of Dunfermline Building Society) Order 2009 SI
  12. Atomic Energy Authority Act 1986 Act
  13. The Bank Recovery and Resolution (No. 2) Order 2014 SI
  14. Banking Act 2009 Act 3 definitions
  15. The Banking Act 2009 (Banking Group Companies) Order 2014 SI
  16. British Aerospace Act 1980 Act
  17. British Steel Act 1988 Act
  18. Broadcasting Act 1981 Act 2 definitions
  19. Broadcasting Act 1990 Act
  20. Building Societies Act 1986 Act 3 definitions
  21. Bus Services Act 2025 Act
  22. The Capital Requirements (Country-by-Country Reporting) Regulations 2013 SI
  23. The Care Standards Act 2000 (Registration)(England) Regulations 2010 SI
  24. The Central Rating List (England) Regulations 2005 SI
  25. The Charitable Incorporated Organisations (General) Regulations 2012 SI
  26. Charities Act 2011 Act
  27. The Chinnor and Princes Risborough Railway (Chinnor Branch and Risborough Sidings) Order 2021 SI
  28. Civil Aviation Act 1971 Act 2 definitions
  29. Civil Aviation Act 1982 Act
  30. Co-operative and Community Benefit Societies Act 2014 Act 2 definitions
  31. The Co-operative and Community Benefit Societies and Credit Unions (Arrangements, Reconstructions and Administration) (Amendment) Order 2014 SI
  32. The Co-operative and Community Benefit Societies and Credit Unions (Arrangements, Reconstructions and Administration) Order 2014 SI 2 definitions
  33. Coal Industry Act 1987 Act
  34. Coal Industry Act 1994 Act
  35. Commission Delegated Regulation (EU) 2017/891 of 13 March 2017 supplementing Regulation (EU) No 1308/2013 of the European Parliament and of the Council with regard to the fruit and vegetables and processed fruit and vegetables sectors and supplementing Regulation (EU) No 1306/2013 of the European Parliament and of the Council with regard to penalties to be applied in those sectors and amending Commission Implementing Regulation (EU) No 543/2011 EU regulation
  36. The Community Interest Company Regulations 2005 SI
  37. Companies Act 1948 Act
  38. Companies Act 2006 Act 6 definitions
  39. The Companies Act 2006 (Commencement No. 5, Transitional Provisions and Savings) Order 2007 SI
  40. The Companies Act 2006 (Commencement No. 8, Transitional Provisions and Savings) Order 2008 SI
  41. Companies (Audit, Investigations and Community Enterprise) Act 2004 Act
  42. The Companies (Disclosure of Auditor Remuneration and Liability Limitation Agreements) Regulations 2008 SI
  43. The Companies (Disclosure of Auditor Remuneration) Regulations 2005 SI
  44. The Companies (Model Articles) Regulations 2008 SI 3 definitions
  45. The Competition Act 1998 (Transitional, Consequential and Supplemental Provisions) Order 2000 SI 2 definitions
  46. Corporation Tax Act 2009 Act 3 definitions
  47. Corporation Tax Act 2010 Act
  48. The Council Tax (Alteration of Lists and Appeals) (England) Regulations 2009 SI
  49. The Council Tax (Alteration of Lists and Appeals) Regulations 1993 SI
  50. Counter-Terrorism Act 2008 Act
  51. Crossrail Act 2008 Act 2 definitions
  52. Crown Agents Act 1979 Act
  53. Crown Agents Act 1995 Act
  54. The Democratic People's Republic of Korea (Sanctions) (EU Exit) Regulations 2019 SI
  55. Digital Markets, Competition and Consumers Act 2024 Act 2 definitions
  56. The Docklands Light Railway (Silvertown and London City Airport Extension) Order 2002 SI
  57. The Drax Power Station Bioenergy with Carbon Capture and Storage Extension Order 2024 SI
  58. The East Midlands Gateway Rail Freight Interchange and Highway Order 2016 SI
  59. The Ecodesign for Energy-Related Products Regulations 2010 SI
  60. Electricity Act 1989 Act 2 definitions
  61. The Electricity and Gas (Carbon Emissions Reduction) Order 2008 SI
  62. The Electricity and Gas (Community Energy Saving Programme) Order 2009 SI
  63. The Electricity and Gas (Energy Efficiency Obligations) Order 2001 SI
  64. The Electricity and Gas (Energy Efficiency Obligations) Order 2004 SI
  65. The Electricity (Class Exemptions from the Requirement for a Licence) Order 2001 SI
  66. The Electromagnetic Compatibility Regulations 2016 SI
  67. Energy Act 2004 Act
  68. The Energy Act 2004 (Commencement No. 6) Order 2005 SI
  69. Energy Act 2011 Act
  70. Energy Act 2023 Act 2 definitions
  71. The Enhanced Partnership Plans and Schemes (Objections) Regulations 2018 SI 2 definitions
  72. Enterprise Act 2002 Act
  73. Enterprise and New Towns (Scotland) Act 1990 Act
  74. The Equipment and Protective Systems Intended for Use in Potentially Explosive Atmospheres Regulations 2016 SI
  75. The Explosives Regulations 2014 SI
  76. Finance Act 1981 Act
  77. Finance Act 1994 Act
  78. Finance Act 2000 Act 3 definitions
  79. Finance Act 2009 Act
  80. Finance Act 2011 Act 2 definitions
  81. Finance Act 2020 Act 2 definitions
  82. Finance Act 2022 Act 2 definitions
  83. Finance (No. 2) Act 2023 Act
  84. The Financial Services and Markets Act 2000 (Excluded Activities and Prohibitions) Order 2014 SI
  85. The Financial Services and Markets Act 2000 (Exemption) Order 2001 SI
  86. The Financial Services and Markets Act 2000 (Regulated Activities) Order 2001 SI 5 definitions
  87. Financial Services and Markets Act 2023 Act
  88. The Firefighters’ Pension Scheme (England) Order 2006 SI
  89. Football Governance Act 2025 Act 2 definitions
  90. The Friendly Societies (Accounts and Related Provisions) Regulations 1994 SI
  91. Friendly Societies Act 1992 Act 2 definitions
  92. The Friendly Societies (Insurance Business) (Amendment) Regulations 1996 SI
  93. The Friendly Societies (Insurance Business No. 2) Regulations 1993 SI
  94. The Friendly Societies (Insurance Business) Regulations 1993 SI
  95. The Friendly Societies (Insurance Business) Regulations 1994 SI
  96. Fur Farming (Compensation Scheme) (England) Order 2001 SI
  97. Fur Farming (Compensation Scheme) (England) Order 2002 SI
  98. The Gambling Act 2005 (Gaming Machines) (Definitions) Regulations 2007 SI
  99. Gas Act 1986 Act 3 definitions
  100. The Gate Burton Energy Park Order 2024 SI
  101. Goods Vehicles (Licensing of Operators) Act 1995 Act 2 definitions
  102. Greater London Authority Act 1999 Act
  103. The Greenhouse Gas Emissions Trading Scheme Order 2020 SI
  104. The Health Service Medicines (Information on the Prices of Specified Generic Medicines) Regulations 2001 SI
  105. High Speed Rail (London - West Midlands) Act 2017 Act
  106. Housing Act 1985 Act 2 definitions
  107. Housing Act 1996 Act 2 definitions
  108. Housing and Regeneration Act 2008 Act
  109. Housing Associations Act 1985 Act
  110. The Immingham Open Cycle Gas Turbine Order 2020 SI
  111. Income Tax Act 2007 Act 12 definitions
  112. Income Tax (Earnings and Pensions) Act 2003 Act 5 definitions
  113. Industry Act 1972 Act
  114. Industry Act 1975 Act
  115. Industry Act 1980 Act
  116. Inheritance Tax Act 1984 Act 2 definitions
  117. The Insurance Accounts Directive (Lloyd's Syndicate and Aggregate Accounts) Regulations 2008 SI 2 definitions
  118. The Insurance Accounts Directive (Miscellaneous Insurance Undertakings) Regulations 2008 SI 3 definitions
  119. The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 SI
  120. The Lake Lothing (Lowestoft) Third Crossing Order 2020 SI
  121. Landlord and Tenant Act 1954 Act
  122. Law of Property Act 1969 Act
  123. Leasehold Reform, Housing and Urban Development Act 1993 Act
  124. Levelling-up and Regeneration Act 2023 Act
  125. The Lifts Regulations 2016 SI
  126. Local Government, Planning and Land Act 1980 Act 3 definitions
  127. Localism Act 2011 Act 5 definitions
  128. The London Overground (Barking Riverside Extension) Order 2017 SI
  129. The Measuring Instruments Regulations 2016 SI
  130. The Medical Devices Regulations 2002 SI
  131. The Midland Metro (Birmingham Eastside Extension) Order 2020 SI
  132. The National Care Standards Commission (Registration) Regulations 2001 SI
  133. The National College for the Creative and Cultural Industries (Government) Regulations 2016 SI
  134. The National Health Service (Clinical Negligence Scheme for General Practice) Regulations 2019 SI
  135. Natural Environment and Rural Communities Act 2006 Act
  136. The Non-automatic Weighing Instruments Regulations 2016 SI
  137. The Non-Domestic Rating (Alteration of Lists and Appeals) (England) Regulations 2005 SI
  138. The Non-Domestic Rating (Alteration of Lists and Appeals) (England) Regulations 2009 SI
  139. The Non-Domestic Rating (Alteration of Lists and Appeals) Regulations 1993 SI
  140. The Non-Domestic Rating (Improvement Relief) (England) Regulations 2023 SI
  141. The Northampton Gateway Rail Freight Interchange Order 2019 SI
  142. The Northumberland Line Order 2022 SI
  143. Nuclear Energy (Financing) Act 2022 Act
  144. The Occupational Pension Schemes (Preservation of Benefit) Regulations 1991 SI
  145. The Occupational Pension Schemes (Scheme Administration) Regulations 1996 SI
  146. The Offshore Installations (Offshore Safety Directive) (Safety Case etc.) Regulations 2015 SI
  147. Oil and Pipelines Act 1985 Act
  148. Ordnance Factories and Military Services Act 1984 Act
  149. Pensions Act 2004 Act 2 definitions
  150. The Portishead Branch Line (MetroWest Phase 1) Order 2022 SI
  151. Ports Act 1991 Act
  152. Postal Services Act 2011 Act
  153. The Pressure Equipment (Safety) Regulations 2016 SI
  154. Private Security Industry Act 2001 Act 2 definitions
  155. The Producer Responsibility Obligations (Packaging and Packaging Waste) Regulations 2024 SI
  156. The Public Bodies (Abolition of British Shipbuilders) Order 2013 SI
  157. Public Utility Transfers and Water Charges Act 1988 Act
  158. The Pyrotechnic Articles (Safety) Regulations 2015 SI
  159. The Radio Equipment Regulations 2017 SI
  160. Railways Act 1993 Act
  161. Railways Act 2005 Act 2 definitions
  162. The Railways (Penalty Fares) Regulations 2018 SI
  163. The Re-use of Public Sector Information Regulations 2015 SI
  164. The Recreational Craft Regulations 2017 SI
  165. Regulation (EU) 2016/425 of the European Parliament and of the Council of 9 March 2016 on personal protective equipment and repealing Council Directive 89/686/EEC (Text with EEA relevance) EU regulation
  166. Regulation (EU) 2016/426 of the European Parliament and of the Council of 9 March 2016 on appliances burning gaseous fuels and repealing Directive 2009/142/EC (Text with EEA relevance) EU regulation
  167. Regulation (EU) No 648/2012 of the European Parliament and of the Council of 4 July 2012 on OTC derivatives, central counterparties and trade repositories (Text with EEA relevance) EU regulation
  168. Regulation (EU) No 909/2014 of the European Parliament and of the Council of 23 July 2014 on improving securities settlement in the European Union and on central securities depositories and amending Directives 98/26/EC and 2014/65/EU and Regulation (EU) No 236/2012 (Text with EEA relevance) EU regulation
  169. The Regulation of Social Housing (Influence of Local Authorities) (England) Regulations 2017 SI
  170. The Reinforcement to the North Shropshire Electricity Distribution Network Order 2020 SI
  171. The Republic of Belarus (Sanctions) (EU Exit) Regulations 2019 SI
  172. The River Tyne (Tunnels) Order 2005 SI
  173. The Riverside Energy Park Order 2020 SI
  174. The RTM Companies (Model Articles) (England) Regulations 2009 SI
  175. The Russia (Sanctions) (EU Exit) Regulations 2019 SI
  176. Scottish Development Agency Act 1975 Act
  177. The Silvertown Tunnel Order 2018 SI
  178. The Simple Pressure Vessels (Safety) Regulations 2016 SI
  179. The Small and Medium Sized Business (Credit Information) Regulations 2015 SI
  180. The Small and Medium Sized Business (Finance Platforms) Regulations 2015 SI
  181. Smart Meters Act 2018 Act
  182. The Social Housing (Regulation) Act 2023 (Commencement No. 2 and Saving Provisions) Regulations 2024 SI
  183. Social Security Administration Act 1992 Act 2 definitions
  184. Social Security Administration (Northern Ireland) Act 1992 Act
  185. The Social Security (Contributions) Regulations 2001 SI
  186. The South Humber Bank Energy Centre Order 2021 SI
  187. The Special Waste Regulations 1996 SI
  188. Subsidy Control Act 2022 Act
  189. The Syria (Sanctions) (EU Exit) Regulations 2019 SI
  190. Taxation (International and Other Provisions) Act 2010 Act 5 definitions
  191. Taxation of Chargeable Gains Act 1992 Act 7 definitions
  192. Telecommunications Act 1984 Act
  193. The Telecommunications (Licence Modification) (Mobile Data Operator Licences) Regulations 2000 SI
  194. The Toys (Safety) Regulations 2011 SI
  195. The Trade Marks Rules 2008 SI 2 definitions
  196. Transport Act 1968 Act
  197. Transport Act 1980 Act
  198. Transport Act 1981 Act
  199. Transport Act 1982 Act
  200. Transport Act 1983 Act
  201. Transport Act 1985 Act 4 definitions
  202. Transport Act 2000 Act
  203. Transport Holding Company Act 1972 Act
  204. Transport (Scotland) Act 1989 Act
  205. The Valuation Tribunal for England (Council Tax and Rating Appeals) (Procedure) Regulations 2009 SI
  206. Water Act 1989 Act
  207. Water Industry Act 1991 Act 2 definitions
  208. The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 SI 2 definitions
  209. The Water Supply Licence (New Customer Exception) Regulations 2005 SI
  210. Welsh Development Agency Act 1975 Act

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