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
  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.

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