Guidance
Martyn's Law: the SIA's new regulatory role
Learn more about Martyn's Law and the SIA's role as regulator.
Documents
Details
The Terrorism (Protection of Premises) Act – Martyn’s Law – received Royal Assent on 3 April 2025. The SIA was named as the law’s regulator.
For more information, read the the Home Office’s statutory guidance on the Terrorism (Protection of Premises) Act 2025.
Updates to this page
Published 7 April 2025
Last updated 4 June 2026
show all updates
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Removed links to the Home Office factsheets and replaced them with links to the more up-to-date statutory guidance.
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Added a new section called 'Notifying the SIA'.
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Updated to reflect: the Home Office's publication of their section 27 guidance; the launch of a public consultation on our draft section 12 guidance.
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The HTML attachment has been updated with more recent information.
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First published.