{
  "node_id": "uk-national-security-investment-act-2021",
  "title": "United Kingdom National Security and Investment Act 2021 (NSIA): Call-in Notice, Notifiable Acquisitions, Mandatory Notification Procedure, Voluntary Notification, Interim Orders, Final Orders, Criminal Offences for Completion Without Approval, and the Investment Security Unit",
  "domain": "Trade Compliance & Export Controls",
  "version": "1.0.0",
  "last_updated": "2026-05-28",
  "bluf": "The National Security and Investment Act 2021, chapter 25 of 2021, received Royal Assent on 29 April 2021 and entered into substantive force on 4 January 2022 and is the principal United Kingdom statute providing the standalone foreign investment screening regime on national security grounds, administered by the Investment Security Unit in the Cabinet Office. National Security and Investment Act 2021, section 1 confers on the Secretary of State the power to give a call-in notice in relation to a trigger event that has given rise to or may give rise to a risk to national security. National Security and Investment Act 2021, section 6 governs notifiable acquisitions and confers a power on the Secretary of State to make regulations specifying the qualifying entities and activities falling within the mandatory notification regime including the 17 sensitive sectors. National Security and Investment Act 2021, section 13 governs approval of notifiable acquisitions. National Security and Investment Act 2021, section 14 governs the mandatory notification procedure and provides that a person who acquires a notifiable acquisition without approval commits an offence. National Security and Investment Act 2021, section 25 confers on the Secretary of State the power to make interim orders during the assessment period. National Security and Investment Act 2021, section 26 governs final orders and final notifications including unwind, divestment, and conduct conditions. National Security and Investment Act 2021, section 32 sets the offence of completing a notifiable acquisition without approval. The Act repeals the public interest intervention regime for national security in the Enterprise Act 2002 and is the controlling United Kingdom standalone investment screening instrument.",
  "paywall": {
    "status": "LOCKED",
    "unlock_cost_usd": "0.01",
    "skyfire_id": "41779894-ece2-4163-9761-b3b1b76e19b0"
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  "crosswalks": {
    "_available_keys": [
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    "_note": "Full crosswalk values included in vault response"
  },
  "primary_citations_count": 8
}