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National Security and Investment Act

Guidance and information about the National Security and Investment Act.

The National Security and Investment Act comes into force on 4 January 2022.

The Act gives the government powers to scrutinise and intervene in business transactions, such as takeovers, to protect national security, while providing businesses and investors with the certainty and transparency they need to do business in the UK.

You can use this page to:

  • read guidance on how to prepare for the new rules from 4 January 2022
  • view and respond to consultations about the Act
  • read draft legislation

Guidance to help you prepare for the new rules

Further guidance will be published later in the year.

Sector-specific guidance

Consultations

Draft legislation

Published 11 November 2020
Last updated 20 July 2021 + show all updates
  1. The National Security and Investment Act comes into force on 4 January 2022. We have published guidance on how to prepare for the new rules.

  2. First published.