Defined term

“the relevant date”

Defined in 197 Acts, 390 statutory instruments and 4 EU-derived instruments.

  1. The Abolition of the NHS Tribunal (Consequential Provisions) Regulations 2001 SI
  2. The Abolition of the NHS Tribunal (Consequential Provisions) Regulations 2002 SI
  3. The Acetylene Safety (England and Wales and Scotland) Regulations 2014 SI
  4. Act of Adjournal (Criminal Procedure Rules) 1996 SI
  5. The Additional Paternity Leave (Adoptions from Overseas) Regulations 2010 SI
  6. The Additional Paternity Leave Regulations 2010 SI 2 definitions
  7. The Additional Statutory Paternity Pay (Adoptions from Overseas) Regulations 2010 SI
  8. The Additional Statutory Paternity Pay (General) Regulations 2010 SI 2 definitions
  9. The Adult Placement Schemes (England) Regulations 2004 SI
  10. The Advanced Quality Partnership Schemes (England) Regulations 2018 SI
  11. The Afghanistan (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  12. Agriculture Act 1967 Act 4 definitions
  13. Agriculture Act 1970 Act
  14. Agriculture (Miscellaneous Provisions) Act 1968 Act
  15. Airports Act 1986 Act
  16. The Airports (Groundhandling) Regulations 1997 SI
  17. The Alternative Investment Fund Managers Regulations 2013 SI 3 definitions
  18. Ancient Monuments and Archaeological Areas Act 1979 Act 2 definitions
  19. The Animal Welfare (Licensing of Activities Involving Animals) (England) Regulations 2018 SI
  20. Anti-social Behaviour Act 2003 Act
  21. Anti-terrorism, Crime and Security Act 2001 Act
  22. The Apprenticeships, Skills, Children and Learning Act 2009 (Commencement No. 2 and Transitional and Saving Provisions) Order 2010 SI
  23. The Architects Act 1997 (Amendment) (EU Exit) Regulations 2019 SI
  24. Armed Forces Act 2006 Act 3 definitions
  25. The Armed Forces and Reserve Forces (Compensation Scheme) Order 2011 SI 3 definitions
  26. The Armed Forces (Appeals Against Review of Sentence) Regulations 2024 SI
  27. The Armed Forces Commissioner (Service Complaints Investigations) Regulations 2026 SI
  28. The Armed Forces (Discharge and Transfer to the Reserve Forces) (No. 2) Regulations 2009 SI
  29. The Armed Forces (Discharge and Transfer to the Reserve Forces) Regulations 2009 SI
  30. The Armed Forces Early Departure Payments Scheme Order 2005 SI
  31. The Armed Forces Early Departure Payments Scheme Regulations 2014 SI
  32. The Armed Forces (Forfeiture of Service) (No. 2) Regulations 2009 SI 2 definitions
  33. The Armed Forces Pension Scheme Order 2005 SI 2 definitions
  34. The Babbacombe Cliff Railway Order 2009 SI
  35. The Bank of England and Financial Services Act 2016 (Commencement No. 6 and Transitional Provisions) Regulations 2019 SI 2 definitions
  36. The Beef Special Premium Regulations 2001 SI
  37. Births and Deaths Registration Act 1953 Act 3 definitions
  38. The Bitton Railway Order 2002 SI
  39. British Nationality Act 1981 Act 2 definitions
  40. British Nationality (Hong Kong) Act 1997 Act
  41. Broadcasting Act 1990 Act 6 definitions
  42. Broadcasting Act 1996 Act 3 definitions
  43. Budget Responsibility and National Audit Act 2011 Act
  44. The Building Regulations 2010 SI 2 definitions
  45. The Building Safety Act 2022 (Commencement No. 3 and Transitional Provision) Regulations 2022 SI
  46. The Building Safety Levy (England) Regulations 2025 SI
  47. The Building Societies (Accounts and Related Provisions) Regulations 1998 SI
  48. Building Societies Act 1986 Act 4 definitions
  49. Building Societies Act 1997 Act
  50. The Bus Lane Contraventions (Approved Local Authorities) (England) (Amendment) and Civil Enforcement of Moving Traffic Contraventions Designation Order 2024 SI
  51. The Cambrian Railways Order 2017 SI
  52. Capital Allowances Act 2001 Act 5 definitions
  53. The Capital Allowances Act 2001 (Car Emissions) (Extension of First-year Allowances) (Amendment) Order 2021 SI
  54. The Capital Allowances Act 2001 (Cars Emissions) Order 2016 SI
  55. The Carbon Dioxide Transport and Storage (Licensed Operators) Administration (England and Wales) Rules 2025 SI
  56. The Care Act 2014 (Transitional Provision) Order 2015 SI
  57. The Care and Support (Cross-border Placements and Business Failure: Temporary Duty) (Dispute Resolution) Regulations 2014 SI
  58. The Cash Ratio Deposits (Value Bands and Ratios) Order 2018 SI
  59. The Cattle Compensation (England) Order 2019 SI
  60. The Central African Republic (Sanctions) (EU Exit) Regulations 2020 SI 4 definitions
  61. The Charities Act 2006 (Commencement No. 5, Transitional and Transitory Provisions and Savings) Order 2008 SI
  62. Charities Act 2011 Act
  63. The Chemical Weapons (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  64. The Cheshire and Warrington Combined Authority Order 2026 SI
  65. The Chester Guided Busway Order 2002 SI
  66. The Child Benefit and Guardian’s Allowance (Administration) Regulations 2003 SI
  67. The Child Maintenance and Other Payments Act 2008 (Commencement No. 3 and Transitional and Savings Provisions) Order 2008 SI
  68. The Child Maintenance and Other Payments Act 2008 (Commencement No. 4 and Transitional Provision) Order 2008 SI
  69. The Child Support (Maintenance Assessments and Special Cases) Regulations 1992 SI
  70. The Child Support (Variations) Regulations 2000 SI
  71. The Child Trust Funds Regulations 2004 SI
  72. Children and Adoption Act 2006 Act
  73. The Children and Families Act 2014 (Transitional and Saving Provisions) (No. 2) Order 2014 SI
  74. Children (Scotland) Act 1995 Act
  75. The Chinnor and Princes Risborough Railway (Chinnor Branch and Risborough Sidings) Order 2021 SI
  76. Chiropractors Act 1994 Act
  77. The Citizens' Rights (Frontier Workers) (EU Exit) Regulations 2020 SI
  78. Civic Government (Scotland) Act 1982 Act 2 definitions
  79. The Civil Enforcement of Moving Traffic Contraventions Designation Order 2023 SI
  80. The Civil Enforcement of Moving Traffic Contraventions Designations and Miscellaneous Amendments Order 2022 SI
  81. The Civil Enforcement of Parking Contraventions (County of East Sussex) (Amendment), Bus Lane Contraventions (Approved Local Authorities) (Amendment) and Moving Traffic Contraventions Designation Order 2025 SI
  82. The Civil Legal Aid (Financial Resources and Payment for Services) (Amendment) Regulations 2021 SI
  83. The Civil Legal Aid (Financial Resources and Payment for Services) (Amendment) Regulations 2023 SI
  84. The Civil Legal Aid (Remuneration) (Amendment) (No. 2) (Coronavirus) Regulations 2020 SI
  85. Civil Partnership Act 2004 Act 7 definitions
  86. The Civil Procedure Rules 1998 SI
  87. Co-operative and Community Benefit Societies Act 2014 Act 3 definitions
  88. Commission Implementing Regulation (EU) 2019/1842 of 31 October 2019 laying down rules for the application of Directive 2003/87/EC of the European Parliament and of the Council as regards further arrangements for the adjustments to free allocation of emission allowances due to activity level changes EU regulation
  89. The Common Agricultural Policy Single Payment and Support Schemes (Integrated Administration and Control System) Regulations 2005 SI
  90. Commonhold and Leasehold Reform Act 2002 Act
  91. Commons Act 2006 Act
  92. Communications Act 2003 Act 3 definitions
  93. The Communications (Television Licensing) Regulations 2004 SI
  94. The Community Investment Tax Relief (Accreditation of Community Development Finance Institutions) Regulations 2003 SI
  95. Companies Act 1948 Act 2 definitions
  96. Companies Act 1976 Act
  97. Companies Act 1985 Act 3 definitions
  98. Companies Act 2006 Act 4 definitions
  99. The Competition Act 1998 (Carbon Dioxide) (Public Policy Exclusion) Order 2021 SI
  100. The Competition Act 1998 (Determination of Turnover for Penalties) Regulations 2024 SI
  101. The Competition Act 1998 (Health Services for Patients in England) (Coronavirus) (Public Policy Exclusion) Order 2022 SI
  102. The Competition Appeal Tribunal Rules 2015 SI
  103. The Compulsory Purchase (Inquiries Procedure) Rules 2007 SI
  104. The Conservation of Habitats and Species Regulations 2017 SI
  105. Constitutional Reform and Governance Act 2010 Act
  106. The Consumer Credit (Advertisements) Regulations 2010 SI
  107. The Consumer Credit (Agreements) Regulations 1983 SI
  108. The Consumer Credit (Agreements) Regulations 2010 SI
  109. The Consumer Credit (Early Settlement) Regulations 2004 SI
  110. The Contracts for Difference (Electricity Supplier Obligations) Regulations 2014 SI
  111. The Control of Cash (Penalties) Regulations 2007 SI
  112. The Control of Major Accident Hazards Regulations 2015 SI
  113. Copyright, Designs and Patents Act 1988 Act
  114. Corporation Tax Act 2009 Act 2 definitions
  115. Corporation Tax Act 2010 Act 7 definitions
  116. The Corporation Tax (Instalment Payments) Regulations 1998 SI 4 definitions
  117. The Council Tax Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 SI 2 definitions
  118. The Council Tax Reduction Schemes (Default Scheme) (England) Regulations 2012 SI 2 definitions
  119. The Council Tax Reduction Schemes (Prescribed Requirements) (England) Regulations 2012 SI 2 definitions
  120. Counter-Terrorism Act 2008 Act
  121. The Counter-Terrorism (International Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  122. The Counter-Terrorism (Sanctions) (EU Exit) Regulations 2019 SI
  123. Countryside and Rights of Way Act 2000 Act 2 definitions
  124. The Court Martial (Prosecution Appeals) Order 2009 SI
  125. Courts Act 1971 Act 3 definitions
  126. Courts-Martial (Appeals) Act 1968 Act
  127. The Courts-Martial (Prosecution Appeals) Order 2006 SI
  128. The Credit Institutions (Reorganisation and Winding up) Regulations 2004 SI
  129. Crime and Disorder Act 1998 Act
  130. Crime (Sentences) Act 1997 Act 2 definitions
  131. The Criminal and Civil Legal Aid (Amendment) Regulations 2023 SI
  132. Criminal Appeal Act 1968 Act
  133. Criminal Appeal (Northern Ireland) Act 1980 Act
  134. Criminal Justice Act 2003 Act 2 definitions
  135. Criminal Justice and Court Services Act 2000 Act
  136. Criminal Justice and Immigration Act 2008 Act 2 definitions
  137. The Criminal Legal Aid (Contribution Orders) Regulations 2013 SI 5 definitions
  138. Criminal Procedure (Consequential Provisions) (Scotland) Act 1995 Act 2 definitions
  139. Criminal Procedure (Scotland) Act 1995 Act 5 definitions
  140. Crofters (Scotland) Act 1993 Act 2 definitions
  141. The Cumbria Combined Authority Order 2026 SI
  142. Customs and Excise Management Act 1979 Act 2 definitions
  143. The Customs (Preferential Trade Arrangements: Error in Evidence of Origin) Regulations 2024 SI
  144. The Customs (Reliefs from a Liability to Import Duty and Miscellaneous Amendments) (EU Exit) Regulations 2020 SI
  145. The Customs Safety and Security (Penalty) Regulations 2019 SI
  146. The Cyber (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  147. The Dairy Produce Quotas (General Provisions) Regulations 2002 SI
  148. The Dangerous Dogs (Compensation and Exemption Schemes) (England and Wales) Order 2023 SI
  149. The Dangerous Dogs (Exemption Schemes and Miscellaneous Provisions) (England and Wales) Order 2023 SI
  150. Defence Reform Act 2014 Act 3 definitions
  151. The Democratic People's Republic of Korea (Sanctions) (EU Exit) Regulations 2019 SI 5 definitions
  152. The Democratic Republic of the Congo (Sanctions) (EU Exit) Regulations 2019 SI 4 definitions
  153. Dentists Act 1984 Act 2 definitions
  154. The Dentists, Dental Care Professionals, Nurses, Nursing Associates and Midwives (International Registrations) Order 2023 SI
  155. The Digital Markets, Competition and Consumers Act 2024 (Alternative Dispute Resolution) (Fees) Regulations 2026 SI
  156. The Digital Markets, Competition and Consumers Act 2024 and Consumer Rights Act 2015 (Turnover and Control) Regulations 2024 SI 4 definitions
  157. Disabled Persons (Northern Ireland) Act 1989 Act
  158. The Disclosure of State Pension Credit Information (Warm Home Discount) Regulations 2011 SI 2 definitions
  159. The Domestic Renewable Heat Incentive Scheme Regulations 2014 SI
  160. The East Kent Railway Order 2007 SI
  161. The Eden Valley Railway Order 2004 SI
  162. The Education Act 2002 (Modification and Transitional Provisions) (England) Regulations 2003 SI
  163. The Education Administration Rules 2018 SI
  164. Education (Grants) (Music, Ballet and Choir Schools) (England) Regulations 2001 SI 2 definitions
  165. The Education (Induction Arrangements for School Teachers) (Consolidation) (England) Regulations 2001 SI
  166. Education (Prohibition from Teaching or Working with Children) Regulations 2003 SI
  167. The Education (Student Support) (College of Europe) Regulations 2010 SI
  168. The Education (Student Support) (European Institutions) (No. 2) Regulations 2006 SI
  169. The Education (Student Support) (European Institutions) Regulations 2000 SI
  170. The Education (Student Support) (European University Institute) Regulations 2010 SI
  171. The Education (Student Support) (No.2) Regulations 2008 SI 6 definitions
  172. The Education (Student Support) Regulations 2007 SI 5 definitions
  173. The Education (Student Support) Regulations 2008 SI 6 definitions
  174. The Education (Student Support) Regulations 2009 SI 6 definitions
  175. The Education (Student Support) Regulations 2011 SI 6 definitions
  176. Elections Act 2022 Act
  177. Electoral Registration and Administration Act 2013 Act
  178. Electricity Act 1989 Act 6 definitions
  179. The Electricity Capacity Regulations 2014 SI
  180. The Electricity Market Reform (General) Regulations 2014 SI
  181. Employment Rights Act 1996 Act 6 definitions
  182. The Employment Rights Act 1996 (Coronavirus, Calculation of a Week's Pay) Regulations 2020 SI
  183. The Employment Rights Act 2025 (Commencement No. 5 and Transitional Provisions) (Amendment) Regulations 2026 SI
  184. Energy Act 2023 Act
  185. The Energy Administration Rules 2005 SI
  186. The Energy Performance of Buildings (England and Wales) Regulations 2012 SI
  187. The Energy (Transfer of Functions, Consequential Amendments and Revocation) Regulations 2016 SI
  188. Enterprise Act 2002 Act
  189. The Enterprise Act 2002 (Mergers and Market Investigations) (Determination of Control and Turnover for Penalties) Regulations 2024 SI
  190. Environment Act 1995 Act
  191. Environment Act 2021 Act 3 definitions
  192. The Environmental Permitting (England and Wales) Regulations 2016 SI
  193. Environmental Protection Act 1990 Act
  194. The Environmental Protection (Waste Recycling Payments) Regulations 2006 SI
  195. Equality Act 2010 Act
  196. The European Parliamentary (United Kingdom Representatives) Pensions (Amendment) Order 2006 SI
  197. The Explosives Regulations 2014 SI 3 definitions
  198. The Export of Goods, Transfer of Technology and Provision of Technical Assistance (Control) (Overseas Territories) Order 2004 SI
  199. The Export (Penalty) Regulations 2003 SI
  200. Extradition Act 2003 Act
  201. Family Law Act 1986 Act 4 definitions
  202. Family Law (Scotland) Act 1985 Act
  203. Finance Act 1982 Act
  204. Finance Act 1985 Act
  205. Finance Act 1994 Act 3 definitions
  206. Finance Act 1995 Act
  207. Finance Act 1996 Act
  208. Finance Act 2000 Act 2 definitions
  209. Finance Act 2001 Act
  210. Finance Act 2003 Act 9 definitions
  211. Finance Act 2004 Act 3 definitions
  212. Finance Act 2007 Act
  213. Finance Act 2008 Act 6 definitions
  214. Finance Act 2009 Act 4 definitions
  215. Finance Act 2010 Act
  216. Finance Act 2011 Act 4 definitions
  217. Finance Act 2013 Act 2 definitions
  218. Finance Act 2014 Act
  219. Finance Act 2015 Act
  220. Finance Act 2016 Act 2 definitions
  221. Finance Act 2017 Act 2 definitions
  222. Finance Act 2019 Act 2 definitions
  223. Finance Act 2020 Act
  224. Finance Act 2021 Act 2 definitions
  225. Finance Act 2022 Act 2 definitions
  226. Finance Act 2026 Act 2 definitions
  227. Finance (No. 2) Act 2017 Act 5 definitions
  228. Finance (No. 2) Act 2023 Act
  229. The Financial Assistance Scheme Regulations 2005 SI 5 definitions
  230. The Financial Services and Markets Act 2000 (Consequential Amendments and Transitional Provisions) (Credit Unions) Order 2002 SI
  231. The Financial Services and Markets Act 2000 (Interim Permissions) Order 2001 SI
  232. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) (No.2) Order 2013 SI 2 definitions
  233. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) Order 2021 SI
  234. The Financial Services and Markets Act 2000 (Transitional Provisions) (Authorised Persons etc. ) Order 2001 SI
  235. The Financing of Maintained Schools (England) (No. 2) Regulations 2003 SI
  236. The Financing of Maintained Schools (England) Regulations 2000 SI
  237. The Financing of Maintained Schools (England) Regulations 2001 SI
  238. The Financing of Maintained Schools (England) Regulations 2002 SI
  239. The Financing of Maintained Schools (England) Regulations 2003 SI
  240. The Financing of Maintained Schools (England) Regulations 2004 SI
  241. The Firefighters’ Pension Scheme (England) Order 2006 SI
  242. Foster Children (Scotland) Act 1984 Act
  243. The Friendly Societies (Accounts and Related Provisions) Regulations 1994 SI
  244. Friendly Societies Act 1992 Act 2 definitions
  245. The Friendly Societies (Insurance Business No. 2) Regulations 1993 SI
  246. The Friendly Societies (Insurance Business) Regulations 1993 SI
  247. The Friendly Societies (Insurance Business) Regulations 1994 SI
  248. The Gambling Act 2005 (Club Gaming and Club Machine Permits) Regulations 2007 SI
  249. The Gambling Act 2005 (Commencement No. 6 and Transitional Provisions) Order 2006 SI 2 definitions
  250. The Gambling Act 2005 (Premises Licences) (Review) Regulations 2007 SI
  251. Gas Act 1986 Act 7 definitions
  252. Gas Safety (Management) Regulations 1996 SI
  253. The General Dental Council (Overseas Registration Examination Regulations) Order of Council 2007 SI
  254. The General Dental Services, Personal Dental Services and Abolition of the Dental Practice Board Transitional and Consequential Provisions Order 2006 SI
  255. The General Medical Services and Personal Medical Services Transitional and Consequential Provisions Order 2004 SI
  256. The General Optical Council (Registration Rules) Order of Council 2005 SI
  257. The Genetically Modified Organisms(Contained Use) Regulations 2000 SI
  258. The Goods Vehicles (International Road Transport Permits and Haulage Within the EU) Regulations 2024 SI
  259. The Goods Vehicles (Licensing of Operators) (Temporary Use in Great Britain) Regulations 1996 SI 13 definitions
  260. The Great Central Railway (East Leake Branch, etc.) Order 2000 SI
  261. Greater London Authority Act 1999 Act
  262. The Green Deal Framework (Disclosure, Acknowledgment, Redress etc.) Regulations 2012 SI
  263. The Green Gas Support Scheme Regulations 2021 SI
  264. The Greenhouse Gas Emissions Trading Scheme Order 2020 SI 5 definitions
  265. The Greenhouse Gas Emissions Trading Scheme Regulations 2012 SI
  266. The Guinea (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  267. The Hampshire and the Solent Combined County Authority Regulations 2026 SI
  268. The Health and Social Care Act 2008 (Commencement No.9, Consequential Amendments and Transitory, Transitional and Saving Provisions) Order 2009 SI
  269. The Heat Networks (Market Framework) (Great Britain) Regulations 2025 SI
  270. The Hedgerows Regulations 1997 SI
  271. Higher Education Act 2004 Act
  272. The Highways Noise Payments and Movable Homes (England) Regulations 2000 SI
  273. Hong Kong Act 1985 Act
  274. Housing Act 1980 Act
  275. Housing Act 1985 Act 2 definitions
  276. Housing Act 1988 Act 3 definitions
  277. Housing Act 2004 Act
  278. The Housing Administration (England and Wales) Rules 2018 SI
  279. Housing and Planning Act 2016 Act 2 definitions
  280. The Housing Benefit and Council Tax Benefit (Consequential Provisions) Regulations 2006 SI
  281. The Housing Benefit and Council Tax Benefit (Decisions and Appeals) (Transitional and Savings) Regulations 2001 SI
  282. The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 SI 3 definitions
  283. The Housing Benefit Regulations 2006 SI
  284. Housing (Financial Provisions) (Scotland) Act 1972 Act
  285. Housing (Scotland) Act 1987 Act 2 definitions
  286. The Hull and East Yorkshire Combined Authority Order 2025 SI
  287. The Human Medicines Regulations 2012 SI
  288. Immigration Act 2016 Act
  289. The Immigration and Asylum Act 1999 (Commencement No. 5 and Transitional Provisions) Order 2000 SI
  290. Income and Corporation Taxes Act 1988 Act
  291. Income Tax (Earnings and Pensions) Act 2003 Act 7 definitions
  292. The Income Tax (Pay As You Earn) Regulations 2003 SI 4 definitions
  293. Income Tax (Trading and Other Income) Act 2005 Act 2 definitions
  294. The Independent Educational Provision in England (Inspection Fees and Savings Provisions) Regulations 2019 SI
  295. The Independent Educational Provision in England (Provision of Information) and Non-Maintained Special Schools (England) and Independent School Standards (Amendment) Regulations 2018 SI
  296. The Indirect Taxes (Disclosure of Avoidance Schemes) Regulations 2017 SI
  297. The Infected Blood Compensation Scheme Regulations 2025 SI
  298. Infrastructure Act 2015 Act
  299. Inheritance Tax Act 1984 Act 2 definitions
  300. The Inheritance Tax Avoidance Schemes (Prescribed Descriptions of Arrangements) Regulations 2017 SI
  301. Insolvency Act 1986 Act
  302. The Insolvency Amendment (EU 2015/848) Regulations 2017 SI
  303. The Insolvency (England and Wales) Rules 2016 SI
  304. The Insolvency Rules 1986 SI 2 definitions
  305. The Insolvent Companies (Reports on Conduct of Directors) Rules 1996 SI
  306. The Insurers (Reorganisation and Winding Up) Regulations 2003 SI
  307. The Insurers (Reorganisation and Winding Up) Regulations 2004 SI
  308. The Investment Bank Special Administration (England and Wales) Rules 2011 SI 2 definitions
  309. The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 SI 3 definitions
  310. The Iran (Sanctions) Regulations 2023 SI
  311. The Iraq (Sanctions) (EU Exit) Regulations 2020 SI 4 definitions
  312. The ISIL (Da'esh) and Al-Qaida (United Nations Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  313. Ivory Act 2018 Act
  314. Judicature (Northern Ireland) Act 1978 Act
  315. Judicial Pensions Act 1981 Act 2 definitions
  316. Judicial Pensions and Retirement Act 1993 Act
  317. The Judicial Pensions (Fee-Paid Judges) Regulations 2017 SI 3 definitions
  318. Land Compensation Act 1961 Act
  319. Land Compensation Act 1973 Act 2 definitions
  320. Land Compensation (Scotland) Act 1963 Act
  321. Land Compensation (Scotland) Act 1973 Act 2 definitions
  322. Land Drainage Act 1991 Act 3 definitions
  323. Landlord and Tenant Act 1954 Act
  324. Leasehold and Freehold Reform Act 2024 Act 3 definitions
  325. The Leasehold and Freehold Reform Act 2024 (Commencement No. 2 and Transitional Provision) Regulations 2025 SI
  326. Leasehold Reform Act 1967 Act
  327. Leasehold Reform, Housing and Urban Development Act 1993 Act 5 definitions
  328. Leasehold Valuation Tribunals (Fees)(England) Regulations 2003 SI
  329. The Lebanon (Sanctions) (Assassination of Rafiq Hariri and others) (EU Exit) Regulations 2020 SI
  330. The Lebanon (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  331. Licensing Act 2003 Act
  332. The Lifelong Learning (Student Support) (Amendment of Fees and Awards etc.) Regulations 2026 SI 2 definitions
  333. Limitation Act 1980 Act 2 definitions
  334. The Limited Liability Partnerships (Amendment) Regulations 2005 SI
  335. The Loans for Mortgage Interest Regulations 2017 SI 2 definitions
  336. The Local Authorities (Capital Finance) Regulations 1997 SI 4 definitions
  337. The Local Authority (Public Health, Health and Wellbeing Boards and Health Scrutiny) Regulations 2013 SI
  338. Local Government Act 1985 Act
  339. Local Government and Public Involvement in Health Act 2007 Act
  340. The Local Government and Public Involvement in Health Act 2007 (Commencement No. 3, Transitional and Saving Provisions and Commencement No. 2 (Amendment)) Order 2008 SI
  341. The Local Government (Boundary Changes) Regulations 2018 SI
  342. Local Government Finance Act 1988 Act 2 definitions
  343. Local Government (Miscellaneous Provisions) Act 1982 Act 2 definitions
  344. The Local Government Pension Scheme (Administration) Regulations 2008 SI
  345. The Local Government Pension Scheme (Amendment) (No. 3) Regulations 2023 SI
  346. Local Government (Scotland) Act 1973 Act 2 definitions
  347. The Local Government (Structural Changes) (Transitional Arrangements) (No.2) Regulations 2008 SI
  348. The Local Government Superannuation Regulations 1986 SI 2 definitions
  349. The Luton Dunstable Translink Order 2006 SI
  350. Magistrates’ Courts Act 1980 Act
  351. Maintenance Orders (Reciprocal Enforcement) Act 1972 Act
  352. The Major Accident Off-Site Emergency Plan (Management of Waste from Extractive Industries) (England and Wales) Regulations 2009 SI
  353. The Mali (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  354. The Manufacture and Storage of Explosives Regulations 2005 SI 5 definitions
  355. The Marine Licensing (Exempted Activities and Fees) (Amendment) Regulations 2026 SI
  356. The Marine Licensing (Licence Application Appeals) Regulations 2011 SI
  357. Marriage Act 1949 Act
  358. The Marriage and Civil Partnership (Minimum Age) Act 2022 (Commencement and Transitional Provisions) Regulations 2023 SI
  359. The Marriage of Same Sex Couples (Conversion of Civil Partnership) Regulations 2014 SI
  360. The Marriages and Civil Partnerships (Approved Premises) (Amendment) Regulations 2021 SI
  361. The Marriages and Civil Partnerships (Approved Premises) (Amendment) Regulations 2022 SI
  362. The Merchant Shipping (Light Dues) Regulations 2025 SI
  363. The Merchant Shipping (Prevention of Pollution by Sewage from Ships) Regulations 2020 SI
  364. Mobile Homes Act 1983 Act
  365. The Mobile Homes Act 1983 (Amendment of Schedule 1) (England) Order 2006 SI
  366. The Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017 SI 2 definitions
  367. The Mortgage Credit Directive Order 2015 SI
  368. The Motor Fuel Price (Open Data) Regulations 2025 SI
  369. The Myanmar (Sanctions) Regulations 2021 SI 3 definitions
  370. The National Assembly for Wales (Representation of the People) Order 2003 SI
  371. The National Health Service (Charges to Overseas Visitors) Regulations 1989 SI
  372. The National Health Service (Charges to Overseas Visitors) Regulations 2015 SI
  373. The National Health Service (Clinical Negligence Scheme for General Practice) Regulations 2019 SI
  374. The National Health Service Commissioning Board and Clinical Commissioning Groups (Responsibilities and Standing Rules) Regulations 2012 SI
  375. The National Health Service (Dental Charges) Regulations 2005 SI 2 definitions
  376. The National Health Service (Existing Liabilities Scheme for General Practice) Regulations 2020 SI
  377. The National Health Service (Functions of Health Authorities and Administration Arrangements) (England) Regulations 2001 SI
  378. The National Health Service (Functions of Strategic Health Authorities and Primary Care Trusts and Administration Arrangements) (England) Regulations 2002 SI
  379. The National Health Service (General Medical Services Contracts) Regulations 2015 SI 6 definitions
  380. The National Health Service (Local Pharmaceutical Services and Pharmaceutical Services) Regulations 2002 SI 2 definitions
  381. The National Health Service Pension Scheme (Transitional and Consequential Provisions) Regulations 2015 SI
  382. The National Health Service Pension Schemes (Remediable Service) Regulations 2023 SI
  383. The National Health Service (Performers Lists) Amendment and Transitional Provisions Regulations 2008 SI
  384. The National Health Service (Performers Lists) Amendment Regulations 2005 SI
  385. The National Health Service (Personal Medical Services Agreements) Regulations 2015 SI 5 definitions
  386. The National Health Service (Quality Accounts) Regulations 2010 SI
  387. National Health Service (Scotland) Act 1978 Act
  388. The National Health Service (Travel Expenses and Remission of Charges) Regulations 2003 SI
  389. The National Institute for Health and Care Excellence (Constitution and Functions) and NHS England (Information Functions) Regulations 2013 SI
  390. The National Insurance Contributions (Application of Part 7 of the Finance Act 2004) (Amendment) Regulations 2013 SI
  391. The National Insurance Contributions (Application of Part 7 of the Finance Act 2004) Regulations 2007 SI 2 definitions
  392. The National Insurance Contributions (Application of Part 7 of the Finance Act 2004) Regulations 2012 SI 3 definitions
  393. The National Savings (Remediation Scheme) (No. 2) Regulations 2026 SI
  394. The National Savings (Remediation Scheme) Regulations 2026 SI
  395. National Security Act 2023 Act
  396. Natural Environment and Rural Communities Act 2006 Act
  397. The Network and Information Systems Regulations 2018 SI
  398. The Nicaragua (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  399. The Nuclear Regulated Asset Base Model (Revenue Collection) Regulations 2023 SI
  400. The Nursing and Midwifery Order 2001 SI
  401. The Occupational and Personal Pension Schemes (Automatic Enrolment) Regulations 2010 SI
  402. The Occupational and Personal Pension Schemes (Bankruptcy) (No. 2) Regulations 2002 SI
  403. The Occupational and Personal Pension Schemes (Bankruptcy) Regulations 2002 SI
  404. The Occupational and Personal Pension Schemes (Disclosure of Information) Regulations 2013 SI
  405. The Occupational Pension Schemes (Charges and Governance) Regulations 2015 SI
  406. The Occupational Pension Schemes (Funding and Investment Strategy and Amendment) Regulations 2024 SI 2 definitions
  407. The Occupational Pension Schemes (Modification of Schemes) Regulations 2006 SI
  408. The Occupational Pension Schemes (Scheme Administration) Regulations 1996 SI 2 definitions
  409. The Occupational Pension Schemes (Scheme Funding) Regulations 2005 SI
  410. The Occupational Pension Schemes (Winding Up Notices and Reports etc.) Regulations 2002 SI
  411. Offensive Weapons Act 2019 Act
  412. The Offshore Combustion Installations (Pollution Prevention and Control) Regulations 2013 SI
  413. The Offshore Funds (Tax) Regulations 2009 SI
  414. The Offshore Installations (Offshore Safety Directive) (Safety Case etc.) Regulations 2015 SI 3 definitions
  415. The Offshore Petroleum Activities (Oil Pollution Prevention and Control) Regulations 2005 SI
  416. The Open-Ended Investment Companies Regulations 2001 SI
  417. Opencast Coal Act 1958 Act
  418. Opticians Act 1989 Act
  419. The Opticians Act 1989 (Transitional Provisions) Order 2005 SI
  420. Osteopaths Act 1993 Act
  421. The Ouseburn Barrage Order 2007 SI
  422. The Parliamentary Pensions (Amendment) Regulations 2006 SI
  423. The Parliamentary Standards Act (Staff Transfer) Order 2010 SI
  424. The Payment and Electronic Money Institution Insolvency (England and Wales) Rules 2021 SI 2 definitions
  425. The Pension Protection Fund (Investigation by PPF Ombudsman of Complaints of Maladministration) Regulations 2005 SI
  426. Pension Schemes Act 1993 Act
  427. Pension Schemes (Northern Ireland) Act 1993 Act
  428. The Pension Sharing (Pension Credit Benefit) Regulations 2000 SI
  429. Pensions Act 1995 Act
  430. Pensions Act 2004 Act 7 definitions
  431. Pensions Act 2008 Act
  432. The Pensions Act 2011 (Transitional, Consequential and Supplementary Provisions) Regulations 2014 SI 2 definitions
  433. Pensions (Increase) Act 1974 Act
  434. The Pensions on Divorce etc. (Charging) Regulations 2000 SI
  435. The Personal Independence Payment (Transitional Provisions) Regulations 2013 SI
  436. The Personal Pension Schemes (Information Powers) Regulations 2000 SI
  437. The Petroleum (Consolidation) Regulations 2014 SI
  438. The Pharmacy Order 2010 SI 3 definitions
  439. The Pharmacy Order 2010 (Registration – Transitional Provisions) Order of Council 2010 SI
  440. Planning Act 2008 Act
  441. Planning (Hazardous Substances) Act 1990 Act
  442. Planning (Hazardous Substances) (Scotland) Act 1997 Act
  443. The Plant Breeders' Rights (Amendment etc.) (EU Exit) Regulations 2019 SI
  444. Pneumoconiosis etc. (Workers’ Compensation) Act 1979 Act 2 definitions
  445. The Police and Crime Commissioner Elections Order 2012 SI
  446. The Police (Complaints and Conduct) Regulations 2013 SI
  447. The Police Pensions Regulations 2006 SI 2 definitions
  448. Political Parties, Elections and Referendums Act 2000 Act 2 definitions
  449. The Postal Administration Rules 2013 SI
  450. The Postgraduate Medical Education and Training Board (Fees) Rules Order 2005 SI
  451. The Postgraduate Medical Education and Training Board (Fees) Rules Order 2006 SI
  452. The Postgraduate Medical Education and Training Board (Fees) Rules Order 2007 SI
  453. The Primary Care Trusts (Functions) (England) Regulations 2000 SI
  454. The Primary Ophthalmic Services Amendment, Transitional and Consequential Provisions Regulations 2008 SI
  455. Prisoners and Criminal Proceedings (Scotland) Act 1993 Act
  456. The Privacy and Electronic Communications (EC Directive) (Amendment) (No. 2) Regulations 2016 SI
  457. Proceeds of Crime Act 2002 Act
  458. The Producer Responsibility Obligations (Packaging and Packaging Waste) Regulations 2024 SI
  459. The Products of Animal Origin (Disease Control) (England) Regulations 2008 SI
  460. The Professional Qualifications Act 2022 (Commencement No. 3 and Savings and Transitional Provisions) Regulations 2023 SI
  461. The Public Rights of Way (Register of Applications under section 53(5) of the Wildlife and Countryside Act 1981) (England) Regulations 2005 SI
  462. Public Service Pensions and Judicial Offices Act 2022 Act 2 definitions
  463. The Quality Partnership Schemes (England) Regulations 2009 SI
  464. The Railway (Licensing of Railway Undertakings) Regulations 2005 SI
  465. The Railway Pensions (Designation, Substitution and Miscellaneous Provisions) Order 2001 SI 6 definitions
  466. Railways Act 1993 Act 5 definitions
  467. The Railways (Safety Case) (Amendment) Regulations 2003 SI
  468. The Reciprocal Enforcement of Maintenance Orders (Hague Convention Countries) Order 1993 SI
  469. The Reciprocal Enforcement of Maintenance Orders (United States of America) Order 2007 SI
  470. Refuse Disposal (Amenity) Act 1978 Act 2 definitions
  471. Registered Designs Act 1949 Act 2 definitions
  472. The Registered Pension Schemes (Relevant Annuities) Regulations 2006 SI
  473. The Regulated Covered Bonds Regulations 2008 SI
  474. Regulation (EC) No 396/2005 of the European Parliament and of the Council of 23 February 2005 on maximum residue levels of pesticides in or on food and feed of plant and animal origin and amending Council Directive 91/414/EEC (Text with EEA relevance) EU regulation
  475. Regulation (EU) 2017/1131 of the European Parliament and of the Council of 14 June 2017 on money market funds (Text with EEA relevance) EU regulation 2 definitions
  476. Regulation (EU) No 528/2012 of the European Parliament and of the Council of 22 May 2012 concerning the making available on the market and use of biocidal products (Text with EEA relevance) EU regulation
  477. The Relevant Licensee Nuclear Company Administration (England and Wales) Rules 2023 SI
  478. The Renewables Obligation Closure Order 2014 SI
  479. The Renewables Obligation Order 2006 SI
  480. The Renewables Obligation Order 2009 SI
  481. The Renewables Obligation Order 2015 SI 3 definitions
  482. Rent Act 1977 Act 3 definitions
  483. Rent (Agriculture) Act 1976 Act
  484. The Rent Officers (Housing Benefit Functions) Order 1997 SI 2 definitions
  485. Rent (Scotland) Act 1984 Act
  486. Representation of the People Act 1983 Act 4 definitions
  487. Representation of the People Act 1985 Act 2 definitions
  488. The Republic of Belarus (Sanctions) (EU Exit) Regulations 2019 SI 4 definitions
  489. The Republic of Guinea-Bissau (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  490. Reserve and Auxiliary Forces (Protection of Civil Interests) Act 1951 Act 3 definitions
  491. The Reserve Forces (Call-out and Recall) (Financial Assistance) Regulations 2005 SI
  492. The Reserve Forces (Payments to Employers and Partners) Regulations 2014 SI 2 definitions
  493. Reserve Forces (Safeguard of Employment) Act 1985 Act
  494. The Rixton and Warburton Bridge Order 2024 SI
  495. Road Traffic Act 1972 Act 2 definitions
  496. Road Traffic Act 1988 Act 5 definitions
  497. Road Traffic Offenders Act 1988 Act 3 definitions
  498. The Road Vehicles (Construction and Use) Regulations 1986 SI
  499. The Road Vehicles (Display of Registration Marks) Regulations 2001 SI
  500. The Royal Air Force Terms of Service Regulations 2007 SI 2 definitions
  501. The Russia (Sanctions) (EU Exit) Regulations 2019 SI 2 definitions
  502. The Safeguarding Vulnerable Groups Act 2006 (Prescribed Criteria and Miscellaneous Provisions) Regulations 2009 SI
  503. The Saving Gateway Accounts Regulations 2009 SI
  504. The School Admissions (Local Authority Reports and Admission Forums) (England) Regulations 2008 SI
  505. The School and Early Years Finance (England) Regulations 2025 SI 2 definitions
  506. The School and Early Years Finance (England) Regulations 2026 SI 2 definitions
  507. The School Finance (England) Regulations 2011 SI
  508. The School Organisation (Establishment and Discontinuance of Schools) (Amendment) Regulations 2026 SI
  509. The Scotland Act 2012 (Transitional and Consequential Provisions) Order 2013 SI
  510. The Scotland Act 2016 (Commencement No. 4, Transitional and Savings) Regulations 2017 SI
  511. Sentencing Act 2020 Act 10 definitions
  512. Serious Organised Crime and Police Act 2005 Act
  513. Sexual Offences Act 2003 Act 11 definitions
  514. The Sharing of State Scheme Rights (Provision of Information and Valuation) (No. 2) Regulations 2000 SI
  515. The Sheep and Goats Identification (England) Order 2000 SI
  516. The Smart Meter Communication Licensee Administration (England and Wales) Rules 2020 SI
  517. Social Security Administration (Northern Ireland) Act 1992 Act
  518. Social Security Contributions and Benefits Act 1992 Act
  519. Social Security Contributions and Benefits (Northern Ireland) Act 1992 Act
  520. The Social Security (Contributions) Regulations 2001 SI 6 definitions
  521. The Social Security (Deferral of Retirement Pensions) Regulations 2005 SI
  522. The Social Security (Scotland Cross-border Consequential Amendment and Transitional Provision) Regulations 2025 SI
  523. The Social Security (Widow's Benefit and Retirement Pensions) Regulations 1979 SI
  524. The Somalia (Sanctions) (EU Exit) Regulations 2020 SI 4 definitions
  525. The South Sudan (Sanctions) (EU Exit) Regulations 2019 SI 4 definitions
  526. The Stakeholder Pension Schemes Regulations 2000 SI
  527. The State Pension Credit Regulations 2002 SI
  528. The Statutory Auditors and Third Country Auditors Regulations 2016 SI
  529. Steel Industry (Nationalisation) Act 2026 Act
  530. The Storage of Carbon Dioxide (Access to Infrastructure) Regulations 2011 SI
  531. Suckler Cow Premium Regulations 2001 SI
  532. The Sudan (Sanctions) (EU Exit) Regulations 2020 SI 4 definitions
  533. The Sussex and Brighton Combined County Authority Regulations 2026 SI
  534. The Swanage Railway Order 2014 SI
  535. The Tax Avoidance Schemes (Information) Regulations 2004 SI
  536. The Tax Avoidance Schemes (Miscellaneous Amendments) Regulations 2017 SI
  537. The Tax Avoidance Schemes (Prescribed Descriptions of Arrangements) Regulations 2006 SI
  538. The Tax Credits (Claims and Notifications) Regulations 2002 SI
  539. Taxation (Cross-border Trade) Act 2018 Act 2 definitions
  540. Taxation (International and Other Provisions) Act 2010 Act 2 definitions
  541. Taxation of Chargeable Gains Act 1992 Act 2 definitions
  542. Taxes Management Act 1970 Act
  543. The Teachers' Pensions Regulations 2010 SI 4 definitions
  544. The Telford Railfreight Terminal (Donnington) Order 2005 SI
  545. Theatres Act 1968 Act
  546. Town and Country Planning Act 1971 Act 5 definitions
  547. Town and Country Planning Act 1990 Act 3 definitions
  548. The Town and Country Planning (Crown Development Applications) (Procedure and Written Representations) Order 2025 SI 2 definitions
  549. The Town and Country Planning (Crown Development) (Urgent Applications) (Procedure) (England) Order 2025 SI 2 definitions
  550. The Town and Country Planning (Fees for Applications, Deemed Applications, Requests and Site Visits) (England) Regulations 2012 SI
  551. The Town and Country Planning (General Permitted Development) (England) (Amendment) Regulations 2020 SI
  552. The Town and Country Planning (General Permitted Development) (England) Order 2015 SI
  553. The Town and Country Planning (General Permitted Development) Order 1995 SI
  554. Town and Country Planning (Scotland) Act 1997 Act 2 definitions
  555. Trade Union and Labour Relations (Consolidation) Act 1992 Act 4 definitions
  556. The Trade Union (Levy Payable to the Certification Officer) Regulations 2022 SI
  557. The Transnational Information and Consultation of Employees Regulations 1999 SI 2 definitions
  558. Transparency of Lobbying, Non-Party Campaigning and Trade Union Administration Act 2014 Act
  559. Transport Act 2000 Act 3 definitions
  560. The Unauthorised Drilling Activities in the Eastern Mediterranean (Sanctions) (EU Exit) Regulations 2020 SI 2 definitions
  561. The Uncertificated Securities Regulations 1992 SI
  562. The Universal Credit Regulations 2013 SI
  563. The Universal Credit (Transitional Provisions) Regulations 2014 SI 9 definitions
  564. The Valuation of Minor Intermediate Leasehold Interests (England) Regulations 2017 SI
  565. Value Added Tax Act 1994 Act 5 definitions
  566. The Value Added Tax Regulations 1995 SI
  567. The Value Added Tax (Special Provisions) Order 1995 SI
  568. Vehicle Excise and Registration Act 1994 Act
  569. The Venezuela (Sanctions) (EU Exit) Regulations 2019 SI 4 definitions
  570. The Voter Identification Regulations 2022 SI 4 definitions
  571. The Warm Home Discount (England and Wales) Regulations 2022 SI
  572. The Warm Home Discount (England and Wales) Regulations 2026 SI
  573. The Warm Home Discount (Reconciliation) Regulations 2022 SI 4 definitions
  574. The Warm Home Discount Regulations 2011 SI
  575. Water Act 1989 Act
  576. The Water Act 2003 (Commencement No. 4, Transitional Provisions and Savings) Order 2005 SI
  577. The Water Act 2003 (Commencement No. 6, Transitional Provisions and Savings) Order 2006 SI
  578. Water Consolidation (Consequential Provisions) Act 1991 Act 2 definitions
  579. The Water Environment (Water Framework Directive) (England and Wales) Regulations 2017 SI
  580. Water Industry Act 1991 Act 5 definitions
  581. The Water Resources (Abstraction and Impounding) Regulations 2006 SI
  582. Water Resources Act 1991 Act 4 definitions
  583. The Water Supply and Sewerage Services (Customer Service Standards) Regulations 2008 SI
  584. The Wear Valley Railway (Transfer) Order 2020 SI
  585. The Welfare Reform Act 2007 (Commencement No.4, and Savings and Transitional Provisions) Order 2007 SI
  586. Welfare Reform and Pensions Act 1999 Act
  587. Welfare Reform and Work Act 2016 Act
  588. Wildlife and Countryside Act 1981 Act 2 definitions
  589. The Yemen (Sanctions) (EU Exit) (No. 2) Regulations 2020 SI 4 definitions
  590. The York and North Yorkshire Combined Authority Order 2023 SI
  591. The Zimbabwe (Sanctions) (EU Exit) Regulations 2019 SI 4 definitions

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