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UK Law Reference
National Security and Investment Act 2021 overview

National Security and Investment Act 2021 — full text by section

Consolidated text as published on legislation.gov.uk, snapshot 2026-08-24. Read the Act on legislation.gov.uk

66 sections. Default extent: E+W+S+N.I..

  1. s.1Call-in notice for national security purposes
  2. s.2Further provision about call-in notices
  3. s.3Statement about exercise of call-in power
  4. s.4Consultation and parliamentary procedure
  5. s.5Meaning of “trigger event” and “acquirer”
  6. s.6Notifiable acquisitions
  7. s.7Qualifying entities and assets
  8. s.8Control of entities
  9. s.9Control of assets
  10. s.10Holding and acquiring interests and rights: supplementary
  11. s.11Exceptions relating to control of assets
  12. s.12Trigger events: supplementary
  13. s.13Approval of notifiable acquisition
  14. s.14Mandatory notification procedure
  15. s.15Requirement to consider retrospective validation without application
  16. s.16Application for retrospective validation of notifiable acquisition
  17. s.17Retrospective validation of notifiable acquisition following call-in
  18. s.18Voluntary notification procedure
  19. s.19Power to require information
  20. s.20Attendance of witnesses
  21. s.21Information notices and attendance notices: persons outside the UK
  22. s.22False or misleading information
  23. s.23Meaning of “assessment period”
  24. s.24Effect of information notice and attendance notice
  25. s.25Interim orders
  26. s.26Final orders and final notifications
  27. s.27Review, variation and revocation of orders
  28. s.28Orders: supplementary
  29. s.29Publication of notice of final order
  30. s.30Financial assistance
  31. s.31Interaction with CMA functions under Part 3 of Enterprise Act 2002
  32. s.32Offence of completing notifiable acquisition without approval
  33. s.33Offence of failing to comply with order
  34. s.34Offences: information and attendance of witnesses
  35. s.35Offences in relation to sharing information
  36. s.36Offences by bodies corporate etc
  37. s.37Prosecution
  38. s.38Proceedings against partnerships etc
  39. s.39Offences: penalties
  40. s.40Power to impose monetary penalties
  41. s.41Permitted maximum penalties
  42. s.42Review, variation and revocation of monetary penalties
  43. s.43Monetary penalties: criminal proceedings and convictions
  44. s.44Recovering penalties
  45. s.45Monetary penalties: cost recovery
  46. s.46Review, variation and revocation of cost recovery notice
  47. s.47Enforcement of cost recovery notice
  48. s.48Enforcement through civil proceedings
  49. s.49Procedure for judicial review of certain decisions
  50. s.50Appeals against monetary penalties
  51. s.51Appeals against costs
  52. s.52Extra-territorial application and jurisdiction to try offences
  53. s.53Procedure for service, etc
  54. s.54Disclosure of information
  55. s.55Disclosure of information held by HMRC
  56. s.56Duty of CMA to provide information and assistance
  57. s.57Data protection
  58. s.58Minor and consequential amendments and revocations
  59. s.59Overseas information disclosure
  60. s.60Defamation
  61. s.61Annual report
  62. s.62Transitional and saving provision in relation to the Enterprise Act 2002
  63. s.63Regulations under this Act
  64. s.64Financial provision
  65. s.65Interpretation
  66. s.66Short title, commencement and extent