Defined term

“relevant period”

Defined in 209 Acts, 345 statutory instruments and 8 EU-derived instruments.

  1. The Additional Statutory Paternity Pay (National Health Service Employees) Regulations 2010 SI
  2. The Adoption and Children (Coronavirus) (Amendment) Regulations 2020 SI
  3. The African Horse Sickness (England) Regulations 2012 SI
  4. Agricultural Holdings Act 1986 Act 2 definitions
  5. Agricultural Marketing Act 1958 Act 2 definitions
  6. Agriculture Act 1986 Act
  7. The Air Navigation Order 2000 SI
  8. The Air Navigation (Overseas Territories) Order 2001 SI
  9. The Alternative Investment Fund Managers Regulations 2013 SI 2 definitions
  10. Armed Forces Act 2006 Act
  11. The Armed Forces and Reserve Forces (Compensation Scheme) Order 2011 SI 2 definitions
  12. The Armed Forces (Court Martial) Rules 2009 SI 5 definitions
  13. The Armed Forces Early Departure Payments Scheme Order 2005 SI
  14. The Armed Forces Redundancy Scheme Order 2006 SI
  15. The Armed Forces Redundancy Scheme Order 2020 SI
  16. The Armed Forces (Retrial for Serious Offences) Order 2013 SI
  17. The Authorised Investigators (Complaints and Misconduct) Regulations 2026 SI
  18. The Authorised Investment Funds (Tax) Regulations 2006 SI 5 definitions
  19. Automated Vehicles Act 2024 Act 2 definitions
  20. The Automated Vehicles (Permits for Automated Passenger Services) Regulations 2026 SI
  21. Bank of England Act 1998 Act
  22. The Banking Act 2009 (Restriction of Special Bail-in Provision, etc. ) Order 2014 SI 2 definitions
  23. Births and Deaths Registration Act 1953 Act
  24. The Branded Health Service Medicines (Costs) Regulations 2018 SI 2 definitions
  25. The British Waterways Board (Transfer of Functions) Order 2012 SI
  26. Broadcasting Act 1990 Act 7 definitions
  27. Broadcasting Act 1996 Act 2 definitions
  28. Building Act 1984 Act 4 definitions
  29. Building Safety Act 2022 Act 6 definitions
  30. The Building Safety Levy (England) Regulations 2025 SI
  31. The Building Safety (Responsible Actors Scheme and Prohibitions) Regulations 2023 SI
  32. Building Societies Act 1986 Act
  33. The Building Societies (Financial Assistance) Order 2008 SI
  34. The Building Societies (Financial Assistance) Order 2010 SI
  35. The Bus Lane Contraventions (Penalty Charges, Adjudication and Enforcement) (England) Regulations 2005 SI
  36. The Business Improvement Districts (England) Regulations 2004 SI
  37. The Business Improvement Districts (Property Owners) (England) Regulations 2014 SI
  38. Capital Allowances Act 2001 Act 15 definitions
  39. The Carer’s Leave Regulations 2024 SI
  40. Charities Act 2011 Act 2 definitions
  41. The Charities (Protection and Social Investment) Act 2016 (Commencement No. 2 and Transitional Provision) Regulations 2018 SI
  42. Child Support Act 1991 Act 2 definitions
  43. The Child Support (Collection and Enforcement) Regulations 1992 SI
  44. The Child Support Maintenance Calculation Regulations 2012 SI
  45. The Child Support (Miscellaneous Amendments) (No. 2) Regulations 2009 SI
  46. The Child Support (Transitional Provisions) Regulations 2000 SI
  47. The Child Trust Funds Regulations 2004 SI
  48. The Childcare (Free of Charge for Working Parents) (England) Regulations 2022 SI
  49. Childcare Payments Act 2014 Act 7 definitions
  50. The Children and Families Act 2014 (Transitional Provisions) Order 2014 SI
  51. Civic Government (Scotland) Act 1982 Act 3 definitions
  52. Civil Partnership Act 2004 Act 7 definitions
  53. The Civil Procedure (Amendment) Rules 2002 SI
  54. The Civil Procedure Rules 1998 SI 2 definitions
  55. The Client Money Protection Schemes for Property Agents (Requirement to Belong to a Scheme etc.) Regulations 2019 SI
  56. Co-operative and Community Benefit Societies Act 2014 Act
  57. The Combined Authorities (Finance) Order 2017 SI
  58. The Combined Authorities (Spatial Development Strategy) Regulations 2018 SI
  59. Commercial Rent (Coronavirus) Act 2022 Act 3 definitions
  60. Commission Delegated Regulation (EU) 2019/33 of 17 October 2018 supplementing Regulation (EU) No 1308/2013 of the European Parliament and of the Council as regards applications for protection of designations of origin, geographical indications and traditional terms in the wine sector, the objection procedure, restrictions of use, amendments to product specifications, cancellation of protection, and labelling and presentation EU regulation
  61. Commission Delegated Regulation (EU) 2019/331 of 19 December 2018 determining transitional Union-wide rules for harmonised free allocation of emission allowances pursuant to Article 10a of Directive 2003/87/EC of the European Parliament and of the Council (Text with EEA relevance) EU regulation 4 definitions
  62. Commission Implementing Regulation (EU) 2019/2072 of 28 November 2019 establishing uniform conditions for the implementation of Regulation (EU) 2016/2031 of the European Parliament and the Council, as regards protective measures against pests of plants, and repealing Commission Regulation (EC) No 690/2008 and amending Commission Implementing Regulation (EU) 2018/2019 EU regulation
  63. Commons Act 2006 Act 2 definitions
  64. Communications Act 2003 Act 6 definitions
  65. Companies Act 2006 Act 6 definitions
  66. The Companies (Fees) Regulations 2004 SI
  67. Competition Act 1998 Act
  68. The Competition Appeal Tribunal Rules 2015 SI 2 definitions
  69. The Conduct of Employment Agencies and Employment Businesses Regulations 2003 SI
  70. Consumer Credit Act 1974 Act 2 definitions
  71. The Consumer Protection from Unfair Trading Regulations 2008 SI
  72. The Contracts for Difference (Electricity Supplier Obligations) Regulations 2014 SI 3 definitions
  73. The Control of Cash (Penalties) Regulations 2007 SI
  74. Copyright, Designs and Patents Act 1988 Act
  75. Coronavirus Act 2020 Act 2 definitions
  76. Coroners and Justice Act 2009 Act 2 definitions
  77. Corporate Insolvency and Governance Act 2020 Act 9 definitions
  78. The Corporate Insolvency and Governance Act 2020 (Coronavirus) (Suspension of Liability for Wrongful Trading and Extension of the Relevant Period) Regulations 2020 SI
  79. Corporation Tax Act 2009 Act 21 definitions
  80. Corporation Tax Act 2010 Act 24 definitions
  81. The Council Tax (Additional Provisions for Discount Disregards) Regulations 1992 SI
  82. The Council Tax Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 SI
  83. The Council Tax Benefit Regulations 2006 SI
  84. The Council Tax (Demand Notices) (England) Regulations 2011 SI
  85. The Council Tax Reduction Schemes (Default Scheme) (England) Regulations 2012 SI
  86. The Council Tax Reduction Schemes (Prescribed Requirements) (England) Regulations 2012 SI 2 definitions
  87. Counter-Terrorism Act 2008 Act
  88. Counter-Terrorism and Security Act 2015 Act
  89. Courts Act 2003 Act
  90. The CRC Energy Efficiency Scheme Order 2013 SI
  91. Crime and Courts Act 2013 Act
  92. Criminal Justice Act 1967 Act
  93. Criminal Justice Act 2003 Act 3 definitions
  94. Criminal Justice and Immigration Act 2008 Act 2 definitions
  95. Criminal Justice and Police Act 2001 Act
  96. Criminal Justice and Public Order Act 1994 Act 2 definitions
  97. The Criminal Legal Aid (Motor Vehicle Orders) Regulations 2013 SI 3 definitions
  98. The Criminal Procedure and Investigations Act 1996 (Application to the Armed Forces) Order 2008 SI
  99. The Criminal Procedure and Investigations Act 1996 (Application to the Armed Forces) Order 2009 SI
  100. Criminal Procedure (Scotland) Act 1975 Act
  101. Criminal Procedure (Scotland) Act 1995 Act 4 definitions
  102. Customs and Excise Management Act 1979 Act
  103. The Customs (Preferential Trade Arrangements: Error in Evidence of Origin) Regulations 2024 SI
  104. Data Protection Act 2018 Act 7 definitions
  105. The Deposit Scheme for Drinks Containers (England and Northern Ireland) Regulations 2025 SI
  106. The Designs and International Trade Marks (Amendment etc.) (EU Exit) Regulations 2019 SI
  107. Digital Markets, Competition and Consumers Act 2024 Act 3 definitions
  108. The Digital Markets, Competition and Consumers Act 2024 (Commencement No. 3 and Transitional Provisions) Regulations 2026 SI 2 definitions
  109. Domestic Abuse Act 2021 Act 3 definitions
  110. The East Northamptonshire Resource Management Facility Order 2023 SI
  111. Economic Crime (Transparency and Enforcement) Act 2022 Act 2 definitions
  112. Education Act 1996 Act 2 definitions
  113. Education and Skills Act 2008 Act 2 definitions
  114. The Education (Fees and Awards) (England) Regulations 2007 SI
  115. The Education Maintenance Allowance (Pilot Areas) Regulations 2000 SI
  116. The Education Maintenance Allowance (Pilot Areas) Regulations 2001 SI
  117. The Education (Parenting Contracts and Parenting Orders) (England) Regulations 2007 SI 3 definitions
  118. The Education (Postgraduate Doctoral Degree Loans and the Education (Student Loans) (Repayment) (Amendment) (No. 2) etc.) Regulations 2018 SI
  119. The Education (Postgraduate Master's Degree Loans) Regulations 2016 SI
  120. The Education (QCA Levy) Regulations 2002 SI
  121. The Education (Student Support) (College of Europe) Regulations 2010 SI
  122. The Education (Student Support) (European Institutions) (No. 2) Regulations 2006 SI
  123. The Education (Student Support) (European Institutions) Regulations 2006 SI
  124. The Education (Student Support) (European University Institute) Regulations 2010 SI
  125. The Education (Student Support) (No.2) Regulations 2008 SI
  126. The Education (Student Support) Regulations 2005 SI 2 definitions
  127. The Education (Student Support) Regulations 2007 SI
  128. The Education (Student Support) Regulations 2008 SI
  129. The Education (Student Support) Regulations 2009 SI
  130. The Education (Student Support) Regulations 2011 SI 3 definitions
  131. Electricity Act 1989 Act
  132. The Electricity Capacity Regulations 2014 SI
  133. The Electricity (Standards of Performance) Regulations 2001 SI
  134. The Electricity (Standards of Performance) Regulations 2005 SI
  135. The Electricity (Standards of Performance) Regulations 2015 SI
  136. The Electricity Supplier Obligations (Amendment & Excluded Electricity) Regulations 2015 SI 2 definitions
  137. The Employment and Support Allowance Regulations 2008 SI 2 definitions
  138. The Employment and Support Allowance Regulations 2013 SI
  139. Employment Rights Act 1996 Act 5 definitions
  140. The Employment Rights Act 1996 (Coronavirus, Calculation of a Week's Pay) Regulations 2020 SI 3 definitions
  141. Employment Rights Act 2025 Act
  142. The Employment Rights Act 2025 (Commencement No. 1 and Transitional and Saving Provisions) Regulations 2026 SI
  143. Energy Act 2004 Act 2 definitions
  144. Energy Act 2010 Act
  145. The Energy Bill Relief Scheme Pass-through Requirement (Heat Suppliers) (England and Wales and Scotland) Regulations 2022 SI
  146. The Energy Bills Discount Scheme Pass-through Requirement (Heat Suppliers) Regulations 2023 SI
  147. The Energy Bills Discount Scheme Regulations 2023 SI
  148. Energy Prices Act 2022 Act 2 definitions
  149. The Energy Savings Opportunity Scheme Regulations 2014 SI
  150. Enterprise Act 2002 Act 7 definitions
  151. The Enterprise Act 2002 (Protection of Legitimate Interests) Order 2003 SI 3 definitions
  152. Environment Act 1995 Act
  153. The Environmental Impact Assessment (Forestry) (England and Wales) Regulations 1999 SI 2 definitions
  154. The Environmental Permitting (England and Wales) Regulations 2016 SI 3 definitions
  155. Environmental Protection Act 1990 Act 2 definitions
  156. The Equality Act 2010 (Gender Pay Gap Information) Regulations 2017 SI 3 definitions
  157. The Equality Act 2010 (Specific Duties and Public Authorities) Regulations 2017 SI 3 definitions
  158. European Union (Future Relationship) Act 2020 Act 2 definitions
  159. The European Union Referendum (Date of Referendum etc.) Regulations 2016 SI
  160. European Union (Withdrawal) Act 2018 Act
  161. The Export (Penalty) Regulations 2003 SI
  162. The Farm Waste Grant (Nitrate Vulnerable Zones)(England) Scheme 2003 SI
  163. The Ferrybridge Multifuel 2 Power Station Order 2015 SI
  164. Finance Act 1986 Act 3 definitions
  165. Finance Act 1987 Act
  166. Finance Act 1993 Act
  167. Finance Act 1994 Act 2 definitions
  168. Finance Act 1995 Act
  169. Finance Act 1996 Act
  170. Finance Act 1998 Act
  171. Finance Act 2000 Act 3 definitions
  172. Finance Act 2001 Act
  173. Finance Act 2003 Act 5 definitions
  174. Finance Act 2004 Act 6 definitions
  175. Finance Act 2006 Act
  176. Finance Act 2007 Act
  177. Finance Act 2008 Act 3 definitions
  178. Finance Act 2009 Act 2 definitions
  179. Finance Act 2010 Act
  180. Finance Act 2011 Act 4 definitions
  181. Finance Act 2012 Act
  182. Finance Act 2013 Act 2 definitions
  183. Finance Act 2014 Act 3 definitions
  184. Finance Act 2015 Act 2 definitions
  185. Finance Act 2017 Act
  186. Finance Act 2019 Act 4 definitions
  187. Finance Act 2020 Act 2 definitions
  188. Finance Act 2021 Act 3 definitions
  189. Finance Act 2022 Act 2 definitions
  190. Finance Act 2025 Act
  191. Finance Act 2026 Act
  192. Finance (No. 2) Act 2005 Act
  193. Finance (No. 2) Act 2015 Act 2 definitions
  194. Finance (No. 2) Act 2017 Act 12 definitions
  195. Finance (No. 2) Act 2023 Act 8 definitions
  196. The Financial Services Act 2012 (Consequential Amendments and Transitional Provisions) (No.4) Order 2013 SI
  197. Financial Services and Markets Act 2000 Act 10 definitions
  198. The Financial Services and Markets Act 2000 (Cryptoassets) Regulations 2026 SI
  199. The Financial Services and Markets Act 2000 (Markets in Financial Instruments) Regulations 2017 SI
  200. The Financial Services and Markets Act 2000 (Miscellaneous Provisions) Order 2001 SI
  201. The Financial Services and Markets Act 2000 (Transitional Provisions, Repeals and Savings) (Financial Services Compensation Scheme) Order 2001 SI
  202. Financial Services and Markets Act 2023 Act
  203. The Financial Services and Markets Act 2023 (Private Intermittent Securities and Capital Exchange System Sandbox) Regulations 2025 SI
  204. The Financial Services and Markets Act 2023 (Resolution of Central Counterparties: Deferment of Provisions in Resolution Instruments) Regulations 2023 SI
  205. The Financial Services and Markets Act 2023 (Resolution of Central Counterparties: Partial Property Transfers and Safeguarding of Protected Arrangements) Regulations 2023 SI 2 definitions
  206. Financial Services (Banking Reform) Act 2013 Act
  207. The Firefighters’ Pension Scheme (England) Order 2006 SI
  208. The Flood and Water Management Act 2010 (Commencement No. 2, Transitional and Savings Provisions) (England) Order 2013 SI 2 definitions
  209. The Food Crime Officers (Complaints and Misconduct) Regulations 2025 SI
  210. The Food Information Regulations 2014 SI
  211. Football Governance Act 2025 Act 2 definitions
  212. Forfeiture Act 1982 Act
  213. Friendly Societies Act 1992 Act
  214. The Friendly Societies Appeal Tribunal Regulations 1993 SI
  215. The Friendly Societies (Insurance Business No. 2) Regulations 1993 SI
  216. The Friendly Societies (Insurance Business) Regulations 1993 SI
  217. The Friendly Societies (Insurance Business) Regulations 1994 SI
  218. Fur Farming (Prohibition) Act 2000 Act
  219. Further and Higher Education (Scotland) Act 1992 Act
  220. The Further Education Loans Regulations 2012 SI
  221. The Gambling Act 2005 (Club Gaming and Club Machine Permits) Regulations 2007 SI
  222. The Gambling Act 2005 (Licensed Premises Gaming Machine Permits) (England and Wales) Regulations 2007 SI
  223. The Gambling (Operating Licence and Single-Machine Permit Fees) Regulations 2006 SI 3 definitions
  224. The Gambling (Operating Licence and Single-Machine Permit Fees) Regulations 2017 SI 4 definitions
  225. The Gambling (Premises Licence Fees) (England and Wales) Regulations 2007 SI
  226. The Gangmasters (Licensing Conditions) (No.2) Rules 2006 SI
  227. The Gangmasters (Licensing Conditions) Rules 2006 SI
  228. The Gangmasters (Licensing Conditions) Rules 2009 SI
  229. Gender Recognition Act 2004 Act
  230. The General Optical Council (Continuing Education and Training Rules) Order of Council 2005 SI
  231. The General Optical Council (Continuing Professional Development) Rules Order of Council 2021 SI
  232. Genetically Modified Organisms (Deliberate Release) Regulations 2002 SI
  233. Greater London Authority Act 1999 Act
  234. The Green Gas Support Scheme Regulations 2021 SI
  235. The Greenhouse Gas Emissions Trading Scheme Order 2020 SI 3 definitions
  236. The Hazards in Social Housing (Prescribed Requirements) (England) Regulations 2025 SI
  237. The Health and Care Act 2022 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2022 SI 3 definitions
  238. The Health and Care Act 2022 (Storage of Gametes and Embryos) (Transitional Provision) Regulations 2024 SI
  239. Health and Social Care Act 2012 Act
  240. The Health Professions Council (Registration and Fees) Rules Order of Council 2003 SI
  241. Health Professions Order 2001 SI 2 definitions
  242. The Health Protection (Coronavirus, Restrictions) (Greencore) Regulations 2020 SI
  243. Healthcare (International Arrangements) Act 2019 Act
  244. High Speed Rail (London - West Midlands) Act 2017 Act
  245. High Speed Rail (West Midlands - Crewe) Act 2021 Act 2 definitions
  246. The Higher Education Short Course Loans Regulations 2022 SI
  247. Highways Act 1980 Act 2 definitions
  248. The Hill Farm Allowance Regulations 2006 SI
  249. Housing Act 1985 Act 2 definitions
  250. Housing Act 1988 Act
  251. Housing Act 2004 Act 2 definitions
  252. Housing and Regeneration Act 2008 Act 3 definitions
  253. The Housing Benefit (Persons who have attained the qualifying age for state pension credit) Regulations 2006 SI
  254. The Housing Benefit Regulations 2006 SI
  255. Housing (Scotland) Act 1987 Act
  256. The Human Fertilisation and Embryology (Statutory Storage Period for Embryos and Gametes) Regulations 2009 SI 2 definitions
  257. Human Tissue Act 2004 Act
  258. The Human Tissue Act 2004 (Commencement No. 5 and Transitional Provisions) Order 2006 SI
  259. Immigration Act 1971 Act
  260. Immigration and Asylum Act 1999 Act 2 definitions
  261. The Immigration and Police (Passenger, Crew and Service Information) Order 2024 SI
  262. The Immigration (Citizens' Rights Appeals) (EU Exit) Regulations 2020 SI
  263. The Immigration (European Economic Area) (Amendment) (No. 3) Regulations 2014 SI
  264. The Immigration (European Economic Area) Regulations 2006 SI
  265. The Immigration (European Economic Area) Regulations 2016 SI
  266. The Immigration (Jersey) Order 2021 SI
  267. Income and Corporation Taxes Act 1988 Act 5 definitions
  268. Income Tax Act 2007 Act 17 definitions
  269. Income Tax (Earnings and Pensions) Act 2003 Act 10 definitions
  270. The Income Tax (Pay As You Earn) Regulations 2003 SI 2 definitions
  271. Income Tax (Trading and Other Income) Act 2005 Act 12 definitions
  272. The Indirect Taxes (Notifiable Arrangements) Regulations 2017 SI
  273. The Individual Savings Account Regulations 1998 SI
  274. Industry Act 1975 Act
  275. The Infected Blood Compensation Scheme Regulations 2025 SI 3 definitions
  276. Infrastructure (Financial Assistance) Act 2012 Act
  277. Inheritance Tax Act 1984 Act 11 definitions
  278. Insolvency Act 1986 Act 3 definitions
  279. The Insolvency (England and Wales) Rules 2016 SI
  280. Insurance Act 2015 Act
  281. The Intermittent Custody (Transitory Provisions) Order 2003 SI
  282. International Development (Reporting and Transparency) Act 2006 Act
  283. Investigatory Powers Act 2016 Act 31 definitions
  284. The Investigatory Powers (Amendment) Act 2024 (Commencement No. 1 and Transitional Provisions) Regulations 2024 SI 2 definitions
  285. The Investigatory Powers (Review of Notices and Technical Advisory Board) Regulations 2018 SI
  286. The Investment Trust (Approved Company) (Tax) Regulations 2011 SI
  287. The Iran (Sanctions) (Nuclear) (EU Exit) Regulations 2019 SI
  288. The Iran (Sanctions) Regulations 2023 SI
  289. The Judicial Pensions (Remediable Service etc.) Regulations 2023 SI
  290. Landlord and Tenant Act 1985 Act
  291. The Large and Medium-sized Companies and Groups (Accounts and Reports) Regulations 2008 SI
  292. Leasehold Reform, Housing and Urban Development Act 1993 Act 2 definitions
  293. Levelling-up and Regeneration Act 2023 Act
  294. Licensing Act 2003 Act
  295. The Lifelong Learning (Fee Limits) Regulations 2026 SI
  296. The Limited Liability Partnerships (Fees) Regulations 2004 SI
  297. The Loans for Mortgage Interest Regulations 2017 SI
  298. Loans to Ireland Act 2010 Act
  299. The Local Authorities (Capital Finance and Accounting) (England) Regulations 2003 SI
  300. The Local Authorities (Capital Finance) Regulations 1997 SI 2 definitions
  301. The Local Authority Social Services and National Health Service Complaints (England) Regulations 2009 SI
  302. Local Government and Housing Act 1989 Act
  303. The Local Government and Police and Crime Commissioner (Coronavirus) (Postponement of Elections and Referendums) (England and Wales) Regulations 2020 SI
  304. Local Government and Public Involvement in Health Act 2007 Act
  305. Local Government and Rating Act 1997 Act
  306. The Local Government (Boundary Changes) Regulations 2018 SI 2 definitions
  307. The Local Government (Early Termination of Employment) (Discretionary Compensation)(England and Wales) Regulations 2000 SI
  308. The Local Government (Structural and Boundary Changes) (Staffing) Regulations 2008 SI
  309. The Local Government (Structural Changes) (Finance) Regulations 2008 SI
  310. The Local Government (Structural Changes) (Transfer of Functions, Property, Rights and Liabilities) Regulations 2008 SI
  311. The London Government (Continuity of Employment) Order 2000 SI
  312. The London Olympic Games and Paralympic Games Tax Regulations 2010 SI 3 definitions
  313. The M42 (Junctions 3A to 7) (Actively Managed Hard Shoulder and Variable Speed Limits) Regulations 2005 SI
  314. Marine and Coastal Access Act 2009 Act
  315. The Measuring Equipment (Liquid Fuel and Lubricants) Regulations 1995 SI
  316. The Measuring Equipment (Liquid Fuel Delivered From Road Tankers) Regulations 1983 SI 2 definitions
  317. The Measuring Instruments (EEC Requirements) Regulations 1988 SI 2 definitions
  318. The Medical Devices (Northern Ireland Protocol) Regulations 2021 SI
  319. The Medical Devices Regulations 2002 SI
  320. Medicines and Medical Devices Act 2021 Act
  321. Mental Health Act 1983 Act 2 definitions
  322. The Merchant Shipping (Marine Equipment) Regulations 2025 SI
  323. The Merchant Shipping (Maritime Labour Convention) (Minimum Requirements for Seafarers etc.) Regulations 2014 SI 2 definitions
  324. The Milk (Cessation of Production) (England and Wales) Scheme 1987 SI
  325. The Ministry of Defence Police Appeals Tribunals Regulations 2009 SI
  326. The Ministry of Defence Police (Conduct, Performance and Appeals Tribunals) Regulations 2020 SI 2 definitions
  327. The Ministry of Defence Police (Vetting) Regulations 2026 SI
  328. Mobile Homes Act 1983 Act 2 definitions
  329. The Mobile Homes (Requirement for Manager of Site to be Fit and Proper Person) (England) Regulations 2020 SI
  330. The Money Laundering, Terrorist Financing and Transfer of Funds (Information on the Payer) Regulations 2017 SI
  331. The Motor Fuel Price (Open Data) Regulations 2025 SI
  332. The Motor Vehicles (Driving Licences) Regulations 1999 SI
  333. The National Health Service (Charges to Overseas Visitors) Regulations 1989 SI 3 definitions
  334. The National Health Service (Charges to Overseas Visitors) Regulations 2015 SI 4 definitions
  335. The National Health Service (Clinical Commissioning Groups – Payments in Respect of Quality) Regulations 2013 SI
  336. The National Health Service (Dental Charges) Regulations 2005 SI
  337. The National Health Service (General Dental Services Contracts) Regulations 2005 SI
  338. The National Health Service (Licensing and Pricing) Regulations 2013 SI
  339. The National Health Service Pension Scheme Regulations 2008 SI 5 definitions
  340. The National Health Service (Personal Dental Services Agreements) Regulations 2005 SI
  341. The National Health Service (Travel Expenses and Remission of Charges) Regulations 2003 SI
  342. National Insurance Contributions Act 2011 Act 2 definitions
  343. The National Insurance Contributions (Application of Part 7 of the Finance Act 2004) Regulations 2012 SI
  344. National Security Act 2023 Act
  345. National Security and Investment Act 2021 Act 2 definitions
  346. The National Security and Investment Act 2021 (Notifiable Acquisition) (Specification of Qualifying Entities) Regulations 2021 SI
  347. Natural Environment and Rural Communities Act 2006 Act
  348. The Nature Restoration Levy Regulations 2026 SI
  349. The Naval, Military and Air Forces Etc. (Disablement and Death) Service Pensions (Amendment) Order 2009 SI
  350. The Naval, Military and Air Forces Etc. (Disablement and Death) Service Pensions Order 2006 SI 4 definitions
  351. The NHS Bodies and Local Authorities (Partnership Arrangements, Care Trusts, Public Health and Local Healthwatch) Regulations 2012 SI
  352. The Nitrate Pollution Prevention Regulations 2015 SI
  353. The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2004 SI
  354. The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2009 SI
  355. The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2016 SI
  356. The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2022 SI
  357. The Non-Domestic Rating (Chargeable Amounts) (England) Regulations 2026 SI
  358. The Non-Domestic Rating (Improvement Relief) (England) Regulations 2023 SI
  359. The Non-Road Mobile Machinery (Type-Approval and Emission of Gaseous and Particulate Pollutants) Regulations 2018 SI
  360. Northern Ireland Act 1998 Act 2 definitions
  361. Northern Ireland Assembly (Elections and Periods of Suspension) Act 2003 Act
  362. Northern Ireland (Executive Formation and Organ and Tissue Donation) Act 2023 Act
  363. The Nuclear Regulated Asset Base Model (Revenue Collection) Regulations 2023 SI 3 definitions
  364. The Occupational Pension Schemes (Collective Money Purchase Schemes) (Extension to Unconnected Multiple Employer Schemes and Miscellaneous Provisions) Regulations 2025 SI 2 definitions
  365. The Occupational Pension Schemes (Collective Money Purchase Schemes) Regulations 2022 SI
  366. The Occupational Pension Schemes (Scheme Administration) Regulations 1996 SI
  367. The Occupational Pension Schemes (Scheme Funding) Regulations 2005 SI
  368. Offensive Weapons Act 2019 Act
  369. The Official Controls (Plant Health and Genetically Modified Organisms) (England) Regulations 2019 SI 3 definitions
  370. The Offshore Funds (Tax) Regulations 2009 SI
  371. The Oil Stocking Order 2012 SI
  372. Oil Taxation Act 1975 Act 4 definitions
  373. Oil Taxation Act 1983 Act
  374. The On-demand Programme Services (Tier 1 Services) Regulations 2026 SI
  375. The Online Safety Act 2023 (Category 1, Category 2A and Category 2B Threshold Conditions) Regulations 2025 SI
  376. The Open Internet Access (EU Regulation) Regulations 2016 SI
  377. Parliamentary Standards Act 2009 Act
  378. The Patents Rules 2007 SI 3 definitions
  379. The Patents, Trade Marks and Designs (Address for Service) (Amendment) (EU Exit) Rules 2020 SI
  380. The Payment Accounts Regulations 2015 SI
  381. The Pension Protection Fund (Closed Schemes) Regulations 2007 SI
  382. The Pension Protection Fund (Investigation by PPF Ombudsman of Complaints of Maladministration) Regulations 2005 SI
  383. The Pension Protection Fund (Reference of Reviewable Matters to the PPF Ombudsman) Regulations 2005 SI
  384. Pension Schemes Act 2026 Act
  385. The Pension Schemes (Information Requirements — Qualifying Overseas Pension Schemes, Qualifying Recognised Overseas Pensions Schemes and Corresponding Relief) Regulations 2006 SI 6 definitions
  386. The Pension Schemes (Information Requirements – Repayment of Overseas Transfer Charge) Regulations 2019 SI
  387. Pensions Act 2004 Act
  388. Pensions Act 2008 Act 2 definitions
  389. The Personal Pension Schemes (Payments by Employers) Regulations 2000 SI
  390. Planning and Compulsory Purchase Act 2004 Act
  391. Planning (Listed Buildings and Conservation Areas) Act 1990 Act 2 definitions
  392. Planning (Listed Buildings and Conservation Areas) (Scotland) Act 1997 Act 2 definitions
  393. Plant Varieties Act 1997 Act
  394. The Police Appeals Tribunals Rules 2008 SI
  395. The Police Appeals Tribunals Rules 2020 SI
  396. The Police (Complaints and Misconduct) Regulations 2020 SI
  397. The Police (Conduct) Regulations 2020 SI
  398. Police, Crime, Sentencing and Courts Act 2022 Act 2 definitions
  399. The Police Federation (England and Wales) Regulations 2017 SI
  400. The Police (Injury Benefit) Regulations 2006 SI
  401. Police (Northern Ireland) Act 2000 Act
  402. The Police Pensions Regulations 2006 SI
  403. The Police Pensions Regulations 2015 SI
  404. The Police Pensions (Remediable Service) Regulations 2023 SI
  405. Police Reform Act 2002 Act
  406. The Police Super-complaints (Designation and Procedure) Regulations 2018 SI
  407. The Police (Vetting) Regulations 2025 SI
  408. Political Parties, Elections and Referendums Act 2000 Act 17 definitions
  409. Post Office Act 1969 Act
  410. Postal Services Act 2011 Act
  411. The Prison Rules 1999 SI 2 definitions
  412. Prisoners and Criminal Proceedings (Scotland) Act 1993 Act
  413. Proceeds of Crime Act 2002 Act
  414. The Procurement Regulations 2024 SI 6 definitions
  415. Protection of Freedoms Act 2012 Act
  416. The Public Offers and Admissions to Trading Regulations 2024 SI
  417. Public Order Act 2023 Act 2 definitions
  418. The Public Sector Fraud and Error (Recovery) Regulations 2026 SI
  419. The Public Service (Civil Servants and Others) Pensions (Remediable Service) Regulations 2023 SI
  420. The Public Service Pension Schemes (Rectification of Unlawful Discrimination) (Tax) Regulations 2025 SI
  421. The Public Trustee (Fees) Order 2008 SI
  422. The Pubs Code etc. Regulations 2016 SI 2 definitions
  423. The Railway Pensions (Designation, Substitution and Miscellaneous Provisions) Order 2001 SI 3 definitions
  424. Registered Designs Act 1949 Act 5 definitions
  425. The Registered Pension Schemes and Employer-Financed Retirement Benefits Schemes (Information) (Prescribed Descriptions of Persons) Regulations 2005 SI
  426. The Registrar of Companies (Fees) (Companies, Overseas Companies and Limited Liability Partnerships) Regulations 2009 SI 2 definitions
  427. The Registrar of Companies (Fees) (Companies, Overseas Companies and Limited Liability Partnerships) Regulations 2012 SI 2 definitions
  428. The Registrar of Companies (Fees) (Limited Partnerships and Newspaper Proprietors) Regulations 2009 SI
  429. Regulation (EU) No 1151/2012 of the European Parliament and of the Council of 21 November 2012 on quality schemes for agricultural products and foodstuffs EU regulation
  430. Regulation (EU) No 1308/2013 of the European Parliament and of the Council of 17 December 2013 establishing a common organisation of the markets in agricultural products and repealing Council Regulations (EEC) No 922/72, (EEC) No 234/79, (EC) No 1037/2001 and (EC) No 1234/2007 EU regulation
  431. Regulation (EU) No 251/2014 of the European Parliament and of the Council of 26 February 2014 on the definition, description, presentation, labelling and the protection of geographical indications of aromatised wine products and repealing Council Regulation (EEC) No 1601/91 EU regulation
  432. Regulation (EU) No 600/2014 of the European Parliament and of the Council of 15 May 2014 on markets in financial instruments and amending Regulation (EU) No 648/2012 (Text with EEA relevance) EU regulation 2 definitions
  433. 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
  434. Regulatory Enforcement and Sanctions Act 2008 Act 3 definitions
  435. The Rehabilitation Courses (Relevant Drink Offences) Regulations 2012 SI
  436. The Relevant Authorities (Disclosable Pecuniary Interests) Regulations 2012 SI
  437. The Renewable Heat Incentive Scheme Regulations 2018 SI
  438. The Renewable Transport Fuel Obligations Order 2007 SI 2 definitions
  439. The Renewable Transport Fuel Obligations (Sustainable Aviation Fuel) Order 2024 SI 2 definitions
  440. The Renewables Obligation Order 2005 SI 2 definitions
  441. The Renewables Obligation Order 2009 SI 3 definitions
  442. The Renewables Obligation Order 2015 SI 4 definitions
  443. The Rent Officers (Housing Benefit Functions) Order 1997 SI 3 definitions
  444. Representation of the People Act 1983 Act
  445. The Representation of the People (England and Wales) Regulations 2001 SI 3 definitions
  446. The Representation of the People (Variation of Election Expenses, Expenditure Limits and Donation etc. Thresholds) Order 2023 SI
  447. The Republic of Belarus (Sanctions) (EU Exit) Regulations 2019 SI
  448. Reserve Forces Act 1980 Act
  449. The Reserve Forces (Call-out and Recall) (Financial Assistance) Regulations 2005 SI
  450. The Reserve Forces (Payments to Employers and Partners) Regulations 2014 SI
  451. The Reservoirs Act 1975 (Exemptions, Appeals and Inspections) (England) Regulations 2013 SI
  452. The Restriction of Public Sector Exit Payments (Revocation) Regulations 2021 SI
  453. Retained EU Law (Revocation and Reform) Act 2023 Act
  454. The Risk Transformation Regulations 2017 SI
  455. Road Traffic Act 1988 Act
  456. Road Traffic (New Drivers) Act 1995 Act 2 definitions
  457. Road Traffic Offenders Act 1988 Act 2 definitions
  458. The Road User Charging Schemes (Penalty Charges, Adjudication and Enforcement) (England) Regulations 2013 SI 2 definitions
  459. The Road Vehicles (Construction and Use) Regulations 1986 SI 2 definitions
  460. The Russia (Sanctions) (EU Exit) Regulations 2019 SI
  461. The Safeguarding Vulnerable Groups Act 2006 (Transitory Provisions) Order 2009 SI
  462. Savings (Government Contributions) Act 2017 Act
  463. The Scheme for Construction Contracts (England and Wales) Regulations 1998 SI
  464. School Staffing (England) Regulations 2003 SI
  465. School Standards and Framework Act 1998 Act 2 definitions
  466. The Scientific Research Organisations Regulations 2007 SI
  467. Scrap Metal Dealers Act 2013 Act
  468. Sentencing Act 2020 Act 3 definitions
  469. The Service Charges (Consultation Requirements) (England) Regulations 2003 SI
  470. The Service Police (Complaints etc.) Regulations 2023 SI 3 definitions
  471. Sexual Offences Act 2003 Act 5 definitions
  472. Sheriff Courts (Scotland) Act 1907 Act
  473. The Single Common Market Organisation (Emergency Aid) (England and Northern Ireland) Regulations 2017 SI
  474. Small Business, Enterprise and Employment Act 2015 Act
  475. Social Security Administration Act 1992 Act
  476. Social Security Administration (Northern Ireland) Act 1992 Act 2 definitions
  477. The Social Security (Attendance Allowance) Regulations 1991 SI
  478. Social Security Contributions and Benefits Act 1992 Act 7 definitions
  479. Social Security Contributions and Benefits (Northern Ireland) Act 1992 Act 6 definitions
  480. The Social Security (Contributions) Regulations 2001 SI 4 definitions
  481. The Social Security (Disability Living Allowance) Regulations 1991 SI
  482. Social Security Fraud Act 2001 Act
  483. The Social Security (Industrial Injuries) (Prescribed Diseases) Regulations 1985 SI
  484. The Social Security (Invalid Care Allowance) Regulations 1976 SI
  485. The Social Security (Payments on Account of Benefit) Regulations 2013 SI
  486. Social Security (Recovery of Benefits) Act 1997 Act
  487. Sovereign Grant Act 2011 Act
  488. The Space Industry Regulations 2021 SI
  489. The Special Immigration Appeals Commission (Procedure) Rules 2003 SI
  490. The Statutory Auditors and Third Country Auditors Regulations 2016 SI 2 definitions
  491. The Statutory Neonatal Care Pay (General) Regulations 2025 SI 2 definitions
  492. The Statutory Parental Bereavement Pay (General) Regulations 2020 SI
  493. The Statutory Paternity Pay and Statutory Adoption Pay (National Health Service Employees) Regulations 2002 SI
  494. The Statutory Shared Parental Pay (General) Regulations 2014 SI
  495. Steel Industry (Nationalisation) Act 2026 Act
  496. Subsidy Control Act 2022 Act 2 definitions
  497. The Summary Appeal Court (Air Force) Rules 2000 SI
  498. The Summary Appeal Court (Army) Rules 2000 SI
  499. The Summary Appeal Court (Navy) Rules 2000 SI
  500. The Supply of Extended Warranties on Domestic Electrical Goods Order 2005 SI
  501. The Supply of Relevant Veterinary Medicinal Products Order 2005 SI
  502. The Taking Control of Goods Regulations 2013 SI
  503. The Tax Credits (Income Thresholds and Determination of Rates) Regulations 2002 SI 2 definitions
  504. Taxation (Cross-border Trade) Act 2018 Act
  505. Taxation (International and Other Provisions) Act 2010 Act 12 definitions
  506. Taxation of Chargeable Gains Act 1992 Act 13 definitions
  507. Taxes Management Act 1970 Act 5 definitions
  508. The Teachers' Pensions Regulations 2010 SI
  509. Telecommunications Act 1984 Act
  510. Tenant Fees Act 2019 Act 4 definitions
  511. Terrorism Act 2000 Act
  512. Tobacco and Vapes Act 2026 Act 3 definitions
  513. Town and Country Planning Act 1971 Act
  514. Town and Country Planning Act 1990 Act 2 definitions
  515. The Town and Country Planning (General Permitted Development) (England) Order 2015 SI 8 definitions
  516. The Town and Country Planning (General Permitted Development) Order 1995 SI 11 definitions
  517. The Town and Country Planning (Local Planning) (England) Regulations 2012 SI
  518. The Town and Country Planning (London Spatial Development Strategy) Regulations 2000 SI
  519. Trade Marks Act 1994 Act 11 definitions
  520. The Trade Remedies (Dumping and Subsidisation) (EU Exit) Regulations 2019 SI 7 definitions
  521. The Trade Remedies (Increase in Imports as a Result of a Free Trade Agreement Causing Serious Injury to UK Producers) Regulations 2024 SI 2 definitions
  522. The Trade Remedies (Increase in Imports Causing Serious Injury to UK Producers) (EU Exit) Regulations 2019 SI 5 definitions
  523. Trade Union and Labour Relations (Consolidation) Act 1992 Act
  524. The Trade Union (Facility Time Publication Requirements) Regulations 2017 SI
  525. Transport Act 1985 Act
  526. The Trunk Road Charging Schemes (Bridges and Tunnels) (Keeping of Accounts) (England) Regulations 2003 SI
  527. The Universal Credit (Transitional Provisions) Regulations 2014 SI
  528. Unsolicited Goods and Services Act 1971 Act
  529. Value Added Tax Act 1994 Act 9 definitions
  530. The Value Added Tax Regulations 1995 SI
  531. The Vehicle Drivers (Certificates of Professional Competence) Regulations 2007 SI
  532. The Victims' Payments Regulations 2020 SI
  533. The Voter Identification Regulations 2022 SI 2 definitions
  534. The Waste Batteries and Accumulators Regulations 2009 SI 2 definitions
  535. The Waste Electrical and Electronic Equipment Regulations 2013 SI
  536. Water Act 2014 Act
  537. The Water and Sewerage Undertakers (Exit from Non-household Retail Market) Regulations 2016 SI 2 definitions
  538. Water Industry Act 1991 Act
  539. Water Resources Act 1991 Act
  540. The Water Supply and Sewerage Services (Customer Service Standards) Regulations 2008 SI
  541. The Water Supply Licence and Sewerage Licence (Modification of Standard Conditions) Order 2017 SI
  542. The Water Supply Licence (Modification of Standard Conditions) Order 2005 SI
  543. The Welfare Reform Act 2012 (Commencement No. 11 and Transitional and Transitory Provisions and Commencement No. 9 and Transitional and Transitory Provisions (Amendment)) Order 2013 SI
  544. The Welfare Reform Act 2012 (Commencement No. 13 and Transitional and Transitory Provisions) Order 2013 SI
  545. The Welfare Reform Act 2012 (Commencement No. 14 and Transitional and Transitory Provisions) Order 2013 SI
  546. The Welfare Reform Act 2012 (Commencement No. 16 and Transitional and Transitory Provisions) Order 2014 SI
  547. The Welfare Reform Act 2012 (Commencement No. 17 and Transitional and Transitory Provisions) Order 2014 SI
  548. The Welfare Reform Act 2012 (Commencement No. 19 and Transitional and Transitory Provisions and Commencement No. 9 and Transitional and Transitory Provisions (Amendment)) Order 2014 SI
  549. The Welfare Reform Act 2012 (Commencement No. 20 and Transitional and Transitory Provisions and Commencement No. 9 and Transitional and Transitory Provisions (Amendment)) Order 2014 SI
  550. The Welfare Reform Act 2012 (Commencement No. 21 and Transitional and Transitory Provisions) Order 2015 SI
  551. The Welfare Reform Act 2012 (Commencement No. 22 and Transitional and Transitory Provisions) Order 2015 SI
  552. The Welfare Reform Act 2012 (Commencement No. 23 and Transitional and Transitory Provisions) Order 2015 SI
  553. The Welfare Reform Act 2012 (Commencement No. 24 and Transitional and Transitory Provisions and Commencement No. 9 and Transitional and Transitory Provisions (Amendment)) Order 2015 SI
  554. The Welfare Reform Act 2012 (Commencement No. 25 and Transitional and Transitory Provisions) Order 2015 SI
  555. The Welfare Reform Act 2012 (Commencement No. 26 and Transitional and Transitory Provisions and Commencement No. 22, 23 and 24 and Transitional and Transitory Provisions (Modification)) Order 2016 SI
  556. The Welfare Reform Act 2012 (Commencement No. 27 and Transitional and Transitory Provisions and Commencement No. 22, 23 and 24 and Transitional and Transitory Provisions (Modification)) Order 2016 SI
  557. The Welfare Reform Act 2012 (Commencement No. 32 and Savings and Transitional Provisions) Order 2019 SI
  558. The Welfare Reform Act 2012 (Commencement No. 9 and Transitional and Transitory Provisions and Commencement No. 8 and Savings and Transitional Provisions (Amendment)) Order 2013 SI
  559. Wireless Telegraphy Act 2006 Act
  560. The Working Tax Credit (Payment by Employers) Regulations 2002 SI
  561. The Working Time Regulations 1998 SI 4 definitions
  562. The Young Offender Institution Rules 2000 SI

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