Guidance

The National Security and Investment Act alongside regulatory requirements

How the National Security and Investment (NSI) Act works alongside other regulators and codes.

• From: Cabinet Office
• Published: 20 July 2021
• Last updated: 19 June 2023 — See all updates

Documents

The National Security and Investment Act alongside regulatory requirements

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Details

This guidance tells you how the National Security and Investment (NSI) Act interacts with the following regulators and codes:

• Enterprise Act 2002
• Competition and Markets Authority
• Export Control Joint Unit
• The Takeover Code
• Financial Conduct Authority
• Prudential Regulation Authority
• Ofgem

Published 20 July 2021
Last updated 19 June 2023 + show all updates

1. 19 June 2023

   Added a section: Applications for a gas or electricity licence in Great Britain

2. 4 January 2022

   The National Security and Investment (NSI) Act came into force on 4 January 2022. The new rules have now started and the National Security and Investment notification service is open.

3. 20 July 2021

   First published.