Defined term

“primary legislation”

Defined in 62 Acts and 4 statutory instruments.

  1. Advanced Research and Invention Agency Act 2022 Act
  2. Agriculture Act 2020 Act
  3. Armed Forces Act 2006 Act
  4. Border Security, Asylum and Immigration Act 2025 Act
  5. Borders, Citizenship and Immigration Act 2009 Act
  6. The Cayman Islands Constitution Order 2009 SI
  7. Children and Families Act 2014 Act
  8. Civil Partnerships, Marriages and Deaths (Registration etc) Act 2019 Act 2 definitions
  9. Climate Change Act 2008 Act
  10. Communications Act 2003 Act
  11. Consumer Rights Act 2015 Act
  12. Counter-Terrorism and Security Act 2015 Act
  13. Crime and Courts Act 2013 Act
  14. Crime and Policing Act 2026 Act 2 definitions
  15. Cultural Property (Armed Conflicts) Act 2017 Act
  16. Data (Use and Access) Act 2025 Act
  17. Defence Reform Act 2014 Act
  18. Direct Payments to Farmers (Legislative Continuity) Act 2020 Act
  19. Dormant Assets Act 2022 Act
  20. Energy Act 2013 Act
  21. Energy Act 2023 Act 7 definitions
  22. Energy Prices Act 2022 Act
  23. English Devolution and Community Empowerment Act 2026 Act
  24. Environmental Protection Act 1990 Act 2 definitions
  25. European Union (Future Relationship) Act 2020 Act
  26. European Union (Withdrawal) Act 2018 Act
  27. European Union (Withdrawal Agreement) Act 2020 Act
  28. Financial Services Act 2012 Act
  29. Financial Services and Markets Act 2000 Act
  30. Financial Services and Markets Act 2023 Act
  31. Financial Services (Banking Reform) Act 2013 Act
  32. Fisheries Act 2020 Act
  33. Genetic Technology (Precision Breeding) Act 2023 Act
  34. Healthcare (International Arrangements) Act 2019 Act
  35. Higher Education and Research Act 2017 Act
  36. Human Rights Act 1998 Act
  37. Illegal Migration Act 2023 Act
  38. Immigration Act 2014 Act
  39. Immigration and Social Security Co-ordination (EU Withdrawal) Act 2020 Act
  40. The Immigration (Guernsey) Order 2020 SI
  41. Investigatory Powers Act 2016 Act
  42. Levelling-up and Regeneration Act 2023 Act
  43. Marine and Coastal Access Act 2009 Act
  44. Mutuals' Deferred Shares Act 2015 Act
  45. The National Assembly for Wales (Transfer of Functions) (No. 2) Order 2000 SI
  46. Neighbourhood Planning Act 2017 Act
  47. NHS (Charitable Trusts Etc) Act 2016 Act
  48. Nuclear Energy (Financing) Act 2022 Act
  49. Online Safety Act 2023 Act
  50. Parliamentary Constituencies Act 1986 Act
  51. Planning and Compulsory Purchase Act 2004 Act
  52. Private International Law (Implementation of Agreements) Act 2020 Act
  53. Procurement Act 2023 Act
  54. Professional Qualifications Act 2022 Act
  55. Protection of Freedoms Act 2012 Act
  56. Public Bodies Act 2011 Act
  57. Public Service Pensions Act 2013 Act
  58. Retained EU Law (Revocation and Reform) Act 2023 Act
  59. Sanctions and Anti-Money Laundering Act 2018 Act
  60. Sentencing Act 2020 Act
  61. The Space Industry Act 2018 (Commencement No. 1) Regulations 2018 SI
  62. Subsidy Control Act 2022 Act
  63. Taxation (International and Other Provisions) Act 2010 Act
  64. Trade Act 2021 Act
  65. United Kingdom Internal Market Act 2020 Act
  66. Welfare Reform Act 2012 Act 2 definitions

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