Defined term

“commencement”

Defined in 42 Acts and 111 statutory instruments.

  1. Armed Forces Act 2006 Act
  2. The Armed Forces Act 2006 (Transitional Provisions etc) Order 2009 SI
  3. The Armed Forces Act 2011 (Commencement No. 1, Transitional and Transitory Provisions) Order 2012 SI
  4. The Armed Forces (Alignment of Service Discipline Acts) Order 2008 SI
  5. The Armed Forces (Civilian Courts Dealing with Service Offences) (Modification of the Criminal Justice Act 2003) Regulations 2009 SI
  6. The Armed Forces (Court Martial) Rules 2009 SI
  7. The Armed Forces (Custody Proceedings) Rules 2009 SI
  8. The Armed Forces (Custody Without Charge) Regulations 2009 SI
  9. The Armed Forces (Discharge and Transfer to the Reserve Forces) (No. 2) Regulations 2009 SI
  10. The Armed Forces (Discharge and Transfer to the Reserve Forces) Regulations 2009 SI
  11. The Armed Forces (Enlistment) Regulations 2009 SI
  12. The Armed Forces (Evidence of Illegal Absence and Transfer to Service Custody) Regulations 2009 SI
  13. The Armed Forces (Forfeiture of Service) (No. 2) Regulations 2009 SI
  14. The Armed Forces (Part 5 of the Armed Forces Act 2006) Regulations 2009 SI
  15. The Armed Forces (Powers of Stop and Search, Search, Seizure and Retention) Order 2009 SI
  16. The Armed Forces (Service Civilian Court) Rules 2009 SI
  17. The Armed Forces (Service of Process in Maintenance Proceedings) Regulations 2009 SI
  18. The Armed Forces (Summary Appeal Court) Rules 2009 SI
  19. The Armed Forces (Summary Hearing and Activation of Suspended Sentences of Service Detention) Rules 2009 SI
  20. The Armed Forces (Terms of Service) (Amendment) (No. 2) Regulations 2009 SI
  21. The Armed Forces (Terms of Service) (Amendment) Regulations 2009 SI
  22. The Armed Forces (Terms of Service) (Amendment) Regulations 2011 SI
  23. The Associated British Ports (Immingham Green Energy Terminal) Order 2025 SI 3 definitions
  24. The Asylum and Immigration (Treatment of Claimants, etc.) Act 2004 (Commencement No. 5 and Transitional Provisions) Order 2005 SI
  25. Banking Act 2009 Act
  26. The Beacon Fen Energy Park Order 2026 SI 5 definitions
  27. The Boston Alternative Energy Facility Order 2023 SI 2 definitions
  28. British Nationality Act 1981 Act
  29. British Nationality (Falkland Islands) Act 1983 Act
  30. Building Safety Act 2022 Act 2 definitions
  31. Capital Allowances Act 2001 Act
  32. The Central Securities Depositories Regulations 2017 SI
  33. The Channel Islands (Attachment of the Bailiwick of Guernsey to the Diocese of Salisbury) Order 2022 SI
  34. Commissioners for Revenue and Customs Act 2005 Act
  35. The Copyright and Duration of Rights in Performances Regulations 2013 SI
  36. The Copyright and Related Rights Regulations 1996 SI
  37. The Copyright and Related Rights Regulations 2003 SI
  38. Copyright, Designs and Patents Act 1988 Act
  39. Corporation Tax Act 2010 Act
  40. The Cory Decarbonisation Project Order 2025 SI 3 definitions
  41. The Court Martial Appeal Court Rules 2009 SI
  42. The Court Martial (Prosecution Appeals) Order 2009 SI
  43. Criminal Evidence (Witness Anonymity) Act 2008 Act 2 definitions
  44. The Criminal Justice and Public Order Act 1994 (Application to the Armed Forces) Order 2009 SI
  45. The Criminal Procedure and Investigations Act 1996 (Application to the Armed Forces) Order 2009 SI
  46. The Criminal Procedure and Investigations Act 1996 (Code of Practice) (Armed Forces) Order 2009 SI 2 definitions
  47. Debt Relief (Developing Countries) Act 2010 Act
  48. The Dogger Bank South East and West Offshore Wind Farms Order 2026 SI 9 definitions
  49. The Drax Power Station Bioenergy with Carbon Capture and Storage Extension Order 2024 SI 2 definitions
  50. The Duration of Copyright and Rights in Performances Regulations 1995 SI
  51. The East Northamptonshire Resource Management Facility Order 2023 SI
  52. Energy Act 2008 Act 3 definitions
  53. Enterprise Act 2002 Act 2 definitions
  54. Finance Act 2000 Act
  55. Finance Act 2009 Act
  56. Finance Act 2011 Act 2 definitions
  57. Financial Services and Markets Act 2000 Act
  58. The Financial Services and Markets Act 2000 (Confidential Information) (Bank of England) (Consequential Provisions) Order 2001 SI
  59. The Financial Services and Markets Act 2000 (Consequential Amendments and Savings) (Industrial Assurance) Order 2001 SI
  60. The Financial Services and Markets Act 2000 (Consequential Amendments and Transitional Provisions) (Credit Unions) Order 2002 SI
  61. The Financial Services and Markets Act 2000 (Consequential Amendments) (Pre-Commencement Modifications) Order 2001 SI
  62. The Financial Services and Markets Act 2000 (Consequential and Transitional Provisions) (Miscellaneous) (No. 2) Order 2001 SI
  63. The Financial Services and Markets Act 2000 (Consequential and Transitional Provisions) (Miscellaneous) Order 2001 SI
  64. The Financial Services and Markets Act 2000 ( EEA Passport Rights) Regulations 2001 SI
  65. The Financial Services and Markets Act 2000 (Interim Permissions) Order 2001 SI
  66. The Financial Services and Markets Act 2000 (Miscellaneous Provisions) Order 2001 SI 2 definitions
  67. The Financial Services and Markets Act 2000 (Mutual Societies) Order 2001 SI
  68. The Financial Services and Markets Act 2000 (Official Listing of Securities) (Transitional Provisions) Order 2001 SI
  69. The Financial Services and Markets Act 2000 (Over the Counter Derivatives, Central Counterparties and Trade Repositories) Regulations 2013 SI
  70. The Financial Services and Markets Act 2000 (Permission and Applications) (Credit Unions etc.) Order 2002 SI
  71. The Financial Services and Markets Act 2000 (Permissions, Transitional Provisions and Consequential Amendments) (Northern Ireland Credit Unions) Order 2011 SI
  72. The Financial Services and Markets Act 2000 (Recognition Requirements for Investment Exchanges , Clearing Houses and Central Securities Depositories ) Regulations 2001 SI
  73. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) (No. 1) Order 2003 SI
  74. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) (No.2) Order 2006 SI
  75. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) (No. 2) Order 2007 SI
  76. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) Order 2002 SI
  77. The Financial Services and Markets Act 2000 (Regulated Activities) (Amendment) Order 2006 SI
  78. The Financial Services and Markets Act 2000 (Scope of Permission Notices) Order 2001 SI
  79. The Financial Services and Markets Act 2000 (Transitional Provisions and Savings) (Business Transfers) Order 2001 SI
  80. The Financial Services and Markets Act 2000 (Transitional Provisions and Savings) (Civil Remedies, Discipline, Criminal Offences etc.) (No. 2) Order 2001 SI
  81. The Financial Services and Markets Act 2000 (Transitional Provisions and Savings) (Civil Remedies, Discipline, Criminal Offences etc.) Order 2001 SI
  82. The Financial Services and Markets Act 2000 (Transitional Provisions and Savings) (Information Requirements and Investigations) Order 2001 SI
  83. The Financial Services and Markets Act 2000 (Transitional Provisions and Savings) (Rules) Order 2001 SI
  84. The Financial Services and Markets Act 2000 (Transitional Provisions) (Authorised Persons etc. ) Order 2001 SI
  85. The Financial Services and Markets Act 2000 (Transitional Provisions) (Controllers) Order 2001 SI
  86. The Financial Services and Markets Act 2000 (Transitional Provisions) (General Insurance Intermediaries) Order 2004 SI
  87. The Financial Services and Markets Act 2000 (Transitional Provisions) (Mortgages) Order 2004 SI
  88. The Financial Services and Markets Act 2000 (Transitional Provisions) (Ombudsman Scheme and Complaints Scheme) Order 2001 SI
  89. The Financial Services and Markets Act 2000 (Transitional Provisions) (Partly Completed Procedures) Order 2001 SI
  90. The Financial Services and Markets Act 2000 (Transitional Provisions, Repeals and Savings) (Financial Services Compensation Scheme) Order 2001 SI
  91. The Financial Services and Markets Act 2000 (Transitional Provisions) (Reviews of Pensions Business) Order 2001 SI
  92. Gambling Act 2005 Act 2 definitions
  93. The Gate Burton Energy Park Order 2024 SI 3 definitions
  94. Health Act 1999 Act 2 definitions
  95. Health and Social Care Act 2008 Act
  96. The Helios Renewable Energy Project Order 2025 SI 3 definitions
  97. Homelessness Act 2002 Act 2 definitions
  98. Horserace Betting and Olympic Lottery Act 2004 Act
  99. The HyNet Carbon Dioxide Pipeline Order 2024 SI 6 definitions
  100. Identity Documents Act 2010 Act
  101. The Immigration and Nationality and Immigration Services Commissioner (Fees) (Amendment) Regulations 2022 SI
  102. The Immigration and Nationality (Replacement of T2 Sportsperson Route and Fees) (Amendment) Regulations 2021 SI
  103. The Immigration and Nationality (Replacement of Tier 2 and Fees) (Amendment) (EU Exit) Regulations 2020 SI
  104. The Immigration (Jersey) Order 2021 SI
  105. The Immingham Open Cycle Gas Turbine Order 2020 SI
  106. Inheritance Tax Act 1984 Act
  107. Interpretation Act 1978 Act
  108. The Kentish Flats Extension Order 2013 SI 2 definitions
  109. The Keuper Underground Gas Storage Facility Order 2017 SI
  110. The Knottingley Power Plant Order 2015 SI
  111. The Lake Lothing (Lowestoft) Third Crossing Order 2020 SI 3 definitions
  112. The Land Registration Act 2002 (Transitional Provisions) Order 2003 SI
  113. Local Government Act 1972 Act
  114. The Medworth Energy from Waste Combined Heat and Power Facility Order 2024 SI 2 definitions
  115. Mobile Homes Act 1983 Act
  116. The National Grid (King’s Lynn B Power Station Connection) Order 2013 SI
  117. Nationality, Immigration and Asylum Act 2002 Act
  118. Natural Environment and Rural Communities Act 2006 Act
  119. The Net Zero Teesside Order 2024 SI 5 definitions
  120. The Network Rail (Cambridge South Infrastructure Enhancements) Order 2022 SI
  121. The Network Rail (Redditch Branch Enhancement) Order 2013 SI
  122. The North Lincolnshire Green Energy Park Order 2025 SI 2 definitions
  123. The Northampton Gateway Rail Freight Interchange Order 2019 SI
  124. Northern Ireland (Miscellaneous Provisions) Act 2006 Act
  125. Petroleum Act 1998 Act
  126. The Police and Criminal Evidence Act 1984 (Armed Forces) Order 2009 SI
  127. Police, Crime, Sentencing and Courts Act 2022 Act
  128. The Portishead Branch Line (MetroWest Phase 1) Order 2022 SI
  129. The Preesall Underground Gas Storage Facility Order 2015 SI 2 definitions
  130. Private International Law (Miscellaneous Provisions) Act 1995 Act
  131. The Progress Power (Gas Fired Power Station) Order 2015 SI
  132. Railways and Transport Safety Act 2003 Act
  133. The Reinforcement to the North Shropshire Electricity Distribution Network Order 2020 SI 2 definitions
  134. The Riverside Energy Park Order 2020 SI
  135. The Rookery South (Resource Recovery Facility) Order 2011 SI
  136. The Service Custody and Service of Relevant Sentences Rules 2009 SI
  137. The Silvertown Tunnel Order 2018 SI 2 definitions
  138. Social Security (Incapacity for Work) Act 1994 Act 2 definitions
  139. Social Security Pensions Act 1975 Act
  140. Social Security (Recovery of Benefits) Act 1997 Act
  141. The South Humber Bank Energy Centre Order 2021 SI
  142. The Steeple Renewables Project Order 2026 SI 5 definitions
  143. Taxation of Chargeable Gains Act 1992 Act 2 definitions
  144. Terrorism Prevention and Investigation Measures Act 2011 Act
  145. The Thames Water Utilities Limited (Thames Tideway Tunnel) Order 2014 SI
  146. The Thorpe Marsh Gas Pipeline Order 2016 SI
  147. Town and Country Planning Act 1971 Act
  148. The Town and Country Planning (Tree Preservation)(England) Regulations 2012 SI
  149. Trade Marks Act 1994 Act
  150. The Triton Knoll Electrical System Order 2016 SI
  151. The Uncertificated Securities (Amendment and EU Exit) Regulations 2019 SI
  152. The Viking CCS Carbon Dioxide Pipeline Order 2025 SI 5 definitions
  153. Water Consolidation (Consequential Provisions) Act 1991 Act

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