National Security Act 2023


Make provision about threats to national security from espionage, sabotage and persons acting for foreign powers; about the extra-territorial application of Part 2 of the Serious Crime Act 2007; about the award of damages in proceedings relating to national security and the payment of damages at risk of being used for the purposes of terrorism; about the availability of legal aid to persons connected with terrorism; and for connected purposes.

Government Bill

(Home Office)
What is this Bill?

The National Security Act 2023 was a Government Bill that became an Act of Parliament.

Is this Bill currently before Parliament?

No. This Bill was introduced on 11 May 2022 and became an Act of Parliament on 11 July 2023.

Whose idea is this Bill?

Government Bills implement the legislative agenda of the Government. This agenda, and the Bills that will implement it, are outlined in the Queen's Speech at the Session's State Opening of Parliament.

How can I find out exactly what this Bill does?

The most straightforward information is contained in the initial Explanatory Notes for the Bill.

Would you like to know more?

See these Glossary articles for more information: Act of Parliament, Government Bills, Process of a Bill

Bill Progession through Parliament

Commons Completed
Lords Completed
Royal Assent

Latest Key documents

Bill Debate
11/07/2023
Act of Parliament
11/07/2023
Briefing paper
02/05/2023
Explanatory Note
15/03/2023
Impact Assessment
17/11/2022

Timeline of Bill Documents and Stages

11th July 2023
Royal Assent: Minutes of Proceedings (Lords)
11th July 2023
Royal Assent (Commons)
11th July 2023
Act of Parliament
National Security Act 2023 (c. 32)
4th July 2023
Consideration of Commons amendments: Minutes of Proceedings (Lords)
4th July 2023
Consideration of Commons amendments (Lords)
3rd July 2023
Amendment Paper
HL Bill 155-I Marshalled list for Consideration of Commons Amendment and Reason
30th June 2023
Amendment Paper
HL Bill 155(a) Motion for Consideration of Commons Reason and Amendment
27th June 2023
Bill
HL Bill 155 Commons Disagreement, Amendment in lieu and Reason
27th June 2023
Bill proceedings: Commons
Proceedings on Consideration of Lords Messages as at 26 June 2023
26th June 2023
Consideration of Lords messageConsideration of Lords Message
26th June 2023
Selection of amendments: Commons
Grouping of Lords Amendments by Secretary Suella Braverman - 26 June 2023
26th June 2023
Amendment Paper
Commons Consideration of Lords Message as at 26 June 2023
22nd June 2023
Bill
Bill 333 2022-23 (Lords Amendments)
21st June 2023
Consideration of Commons amendments: Minutes of Proceedings (Lords)
21st June 2023
Consideration of Commons amendments (Lords)
20th June 2023
Amendment Paper
HL Bill 135—I Marshalled list for Consideration of Commons Reasons and Amendments
14th June 2023
Amendment Paper
HL Bill 135(c) Motions for Consideration of Commons Amendments and Reasons
17th May 2023
Amendment Paper
HL Bill 135(b) Motion for Consideration of Commons Amendments and Reasons
9th May 2023
Amendment Paper
HL Bill 135(a) Motion for Consideration of Commons Amendments and Reasons
3rd May 2023
Consideration of Lords amendments (Commons)
3rd May 2023
Programme motion
3rd May 2023
Bill
HL Bill 135 Commons Amendments, Disagreements and Reasons
3rd May 2023
Selection of amendments: Commons
Grouping of Lords Amendments by Secretary Suella Braverman and provisional selection of amendments by Mr Speaker - 3 May 2023
3rd May 2023
Bill proceedings: Commons
Proceedings on Consideration of Lords Amendments as at 3 May 2023
2nd May 2023
Amendment Paper
Notices of CCLA Amendments as at 2 May 2023
2nd May 2023
Briefing papers
Briefing paper on Lord's amendments
28th April 2023
Amendment Paper
Notices of CCLA Amendments as at 28 April 2023
27th April 2023
Amendment Paper
Notices of CCLA Amendments as at 27 April 2023
15th March 2023
Explanatory Notes
Bill 269 EN 2022-23 (Lords Amendments)
15th March 2023
Bill
Bill 269 2022-23 (Lords Amendments)
15th March 2023
Will write letters
Letter from Lord Bellamy to Lord Pannick regarding a correction to a statement made when responding to amendments during the Report stage (second day) of the Bill.
13th March 2023
3rd reading: Minutes of Proceedings (Lords)
13th March 2023
3rd reading (Lords)
10th March 2023
Amendment Paper
HL Bill 115-I Marshalled list for Third Reading
9th March 2023
Amendment Paper
HL Bill 115(a) Amendments for Third Reading
7th March 2023
Report stage: Minutes of Proceedings (Lords)
7th March 2023
Report stage (Lords)
7th March 2023
Bill
HL Bill 115 (as amended on Report)
6th March 2023
Amendment Paper
HL Bill 88-II(a) Amendment for Report (Supplementary to the Second Marshalled List)
3rd March 2023
Amendment Paper
HL Bill 88-II Second marshalled list for Report
2nd March 2023
Amendment Paper
HL Bill 88-I(b) Amendments for Report (Supplementary to the Marshalled List)
1st March 2023
Report stage: Minutes of Proceedings (Lords)
1st March 2023
Report stage (Lords)
28th February 2023
Amendment Paper
HL Bill 88-I(a) Amendments for Report (Supplementary to the Marshalled List)
27th February 2023
Amendment Paper
HL Bill 88-I Marshalled list for Report
27th February 2023
Delegated Powers Memorandum
National Security Bill - Supplementary Delegated Powers Memorandum
24th February 2023
Amendment Paper
HL Bill 88(l) Amendments for Report
24th February 2023
Amendment Paper
HL Bill 88 Running list of amendments
23rd February 2023
Amendment Paper
HL Bill 88(k) Amendments for Report
22nd February 2023
Amendment Paper
HL Bill 88(j) Amendments for Report
21st February 2023
Amendment Paper
HL Bill 88(i) Amendments for Report
17th February 2023
Amendment Paper
HL Bill 88(h) Amendments for Report
16th February 2023
Amendment Paper
HL Bill 88(g) Amendment for Report
8th February 2023
Amendment Paper
HL Bill 88(f) Amendment for Report
7th February 2023
Amendment Paper
HL Bill 88(e) Amendments for Report
1st February 2023
Amendment Paper
HL Bill 88(d) Amendment for Report
30th January 2023
Amendment Paper
HL Bill 88(c) Amendment for Report
24th January 2023
Will write letters
Letter dated 24/01/2023 from Lord Sharpe to Lord Purvis regarding questions raised in the committee stage (fifth day): sanctioned individuals, and frozen Russian money.
24th January 2023
Will write letters
Letter from Lord Sharpe to Lord Carlile regarding questions raised in the committee stage debate (fourth day): the scope of the foreign influence registration scheme (FIRS), and individuals placed on state threat prevention and investigation measures (STPIMs).
24th January 2023
Will write letters
Letter from Lord Sharpe to Baroness Hayter regarding overseas political parties: questions raised by letter and during committee stage debate (third day).
23rd January 2023
Amendment Paper
HL Bill 88(b) Amendment for Report
19th January 2023
Amendment Paper
HL Bill 88(a) Amendment for Report
18th January 2023
Committee stage: Minutes of Proceedings Part 2 (Lords)
18th January 2023
Committee stage: Minutes of Proceedings Part 1 (Lords)
18th January 2023
Committee stage: Part 2 (Lords)
18th January 2023
Committee stage: Part 1 (Lords)
18th January 2023
Bill
HL Bill 88 (as amended in Committee)
16th January 2023
Committee stage: Minutes of Proceedings (Lords)
16th January 2023
Committee stage (Lords)
16th January 2023
Amendment Paper
HL Bill 68-V Fifth marshalled list for Committee
12th January 2023
Amendment Paper
HL Bill 68-IV Fourth marshalled list for Committee
11th January 2023
Committee stage: Minutes of Proceedings Part 2 (Lords)
11th January 2023
Committee stage: Minutes of Proceedings Part 1 (Lords)
11th January 2023
Committee stage: Part 2 (Lords)
11th January 2023
Committee stage: Part 1 (Lords)
11th January 2023
Will write letters
The Government’s response to the Joint Committee on Human Rights report: ‘Legislative Scrutiny: National Security Bill’.
10th January 2023
Will write letters
Letter from Lord Sharpe to Baroness Ludford and others regarding queries raised during the Committee stage (first day): Knowledge requirement for ‘ought reasonably to know’, Crown Land, College of Policing, legal services and private sector enterprises, In the vicinity of or adjacent to a prohibited place, Foreign power condition and trade secrets.
9th January 2023
Amendment Paper
HL Bill 68-III Third marshalled list for Committee
6th January 2023
Amendment Paper
HL Bill 68-II(b) Amendments for Committee (Supplementary to the Second Marshalled List)
4th January 2023
Amendment Paper
HL Bill 68-II(a) Amendments for Committee (Supplementary to the Second Marshalled List)
21st December 2022
Committee stage: Minutes of Proceedings Part 2 (Lords)
21st December 2022
Committee stage: Minutes of Proceedings Part 1 (Lords)
21st December 2022
Committee stage: Part 2 (Lords)
21st December 2022
Committee stage: Part 1 (Lords)
19th December 2022
Committee stage: Minutes of Proceedings (Lords)
19th December 2022
Committee stage (Lords)
19th December 2022
Amendment Paper
HL Bill 68-II Second marshalled list for Committee
16th December 2022
Amendment Paper
HL Bill 68-I(a) Amendments for Committee (Supplementary to the Marshalled List)
15th December 2022
Amendment Paper
HL Bill 68-I Marshalled list for Committee
14th December 2022
Amendment Paper
HL Bill 68(e) Amendments for Committee
13th December 2022
Amendment Paper
HL Bill 68(d) Amendments for Committee
13th December 2022
Will write letters
Letter from Lord Sharpe to Peers regarding the second reading debate: Foreign Influence Registration Scheme and its interaction with the National Security and Investment Act 2021, particularly in relation to universities.
12th December 2022
Amendment Paper
HL Bill 68(c) Amendments for Committee
9th December 2022
Amendment Paper
HL Bill 68(b) Amendments for Committee
7th December 2022
Amendment Paper
HL Bill 68(a) Amendments for Committee
6th December 2022
2nd reading: Minutes of Proceedings (Lords)
6th December 2022
2nd reading (Lords)
25th November 2022
Briefing papers
National Security Bill
18th November 2022
Delegated Powers Memorandum
National Security Bill: Delegated Powers Memorandum
17th November 2022
1st reading: Minutes of Proceedings (Lords)
17th November 2022
1st reading (Lords)
17th November 2022
Explanatory Notes
HL Bill 68 Explanatory Notes
17th November 2022
Bill
HL Bill 68 (as brought from the Commons)
17th November 2022
Impact Assessments
Impact Assessment from the Home Office
16th November 2022
3rd reading (Commons)
16th November 2022
Report stage (Commons)
16th November 2022
Bill proceedings: Commons
Report Stage Proceedings as at 16 November 2022
16th November 2022
Selection of amendments: Commons
Speaker’s provisional grouping and selection of Amendments - 16 November 2022
16th November 2022
Amendment Paper
Consideration of Bill Amendments as at 16 November 2022
15th November 2022
Amendment Paper
Notices of Amendments as at 15 November 2022
15th November 2022
Briefing papers
Briefing Paper on the Bill
15th November 2022
Briefing papers
Briefing paper on progress of the Bill
14th November 2022
Amendment Paper
Notices of Amendments as at 14 November 2022
11th November 2022
Amendment Paper
Notices of Amendments as at 11 November 2022
10th November 2022
Amendment Paper
Notices of Amendments as at 10 November 2022
9th November 2022
Amendment Paper
Notices of Amendments as at 9 November 2022
3rd November 2022
Amendment Paper
Notices of Amendments as at 3 November 2022
19th October 2022
Written evidence
Written evidence submitted by the BBC (NSB09)
19th October 2022
Written evidence
Written evidence submitted by the National Union of Journalists, Index on Censorship, Reporters Without Borders and openDemocracy (NSB08)
19th October 2022
Written evidence
Written evidence submitted by Channel 4 Television Corporation (NSB10)
18th October 2022
Committee stage: 14th sitting (Commons)
18th October 2022
Committee stage: 13th sitting (Commons)
18th October 2022
Amendment Paper
Public Bill Committee Amendments as at 18 October 2022
18th October 2022
Bill proceedings: Commons
All proceedings up to 18 October 2022 at Public Bill Committee Stage
18th October 2022
Bill
Bill 165 2022-23 (as amended in Public Bill Committee)
17th October 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 18 October 2022
13th October 2022
Amendment Paper
Notices of Amendments as at 13 October 2022
7th October 2022
Amendment Paper
Notices of Amendments as at 7 October 2022
23rd September 2022
Amendment Paper
Notices of Amendments as at 23 September 2022
22nd September 2022
Amendment Paper
Notices of Amendments as at 22 September 2022
9th September 2022
Will write letters
Letter from Stephen McPartland MP to James Gray MP and Rushanara Ali MP regarding issues raised in the committee stage debate: extending police powers in prohibited places to the armed forces, 'insanity’ defences in relation to biometric retention, justification for polygraph testing, interaction with the Official Secrets Act 1989, and Government amendments.
9th September 2022
Amendment Paper
Notices of Amendments as at 9 September 2022
8th September 2022
Committee stage: Twelfth sitting (Commons)
8th September 2022
Committee stage: Eleventh sitting (Commons)
8th September 2022
Amendment Paper
Public Bill Committee Amendments as at 8 September 2022
7th September 2022
Written evidence
Written evidence submitted by Guardian News & Media Ltd (NSB07)
7th September 2022
Written evidence
Written evidence submitted by the Law Commission of England and Wales (supplementary submission) (NSB05)
7th September 2022
Amendment Paper
Notices of Amendments as at 7 September 2022
7th September 2022
Written evidence
Written evidence submitted by Assistant Commissioner Matt Jukes QPM, Counter Terrorism Policing (NSB06)
7th September 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 8 September 2022
6th September 2022
Committee stage: 9th sitting (Commons)
6th September 2022
Committee stage: 10th sitting (Commons)
6th September 2022
Amendment Paper
Public Bill Committee Amendments as at 6 September 2022
5th September 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 6 September 2022
2nd September 2022
Amendment Paper
Notices of Amendments as at 2 September 2022
31st August 2022
Amendment Paper
Notices of Amendments as at 31 August 2022
22nd July 2022
Amendment Paper
Notices of Amendments as at 22 July 2022
20th July 2022
Amendment Paper
Notices of Amendments as at 20 July 2022
20th July 2022
Written evidence
Written evidence submitted by Matrix Chambers, Mishcon de Reya, Powerscourt Group (NSB04)
19th July 2022
Committee stage: 8th sitting (Commons)
19th July 2022
Committee stage: 7th sitting (Commons)
19th July 2022
Amendment Paper
Public Bill Committee Amendments as at 19 July 2022
18th July 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 19 July 2022
15th July 2022
Written evidence
Written evidence submitted by The Russell Group and Universities UK (UUK) (NSB03)
15th July 2022
Amendment Paper
Notices of Amendments as at 15 July 2022
14th July 2022
Committee stage: 6th sitting (Commons)
14th July 2022
Committee stage: 5th sitting (Commons)
14th July 2022
Amendment Paper
Public Bill Committee Amendments as at 14 July 2022
13th July 2022
Amendment Paper
Notices of Amendments as at 13 July 2022
13th July 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 14 July 2022
12th July 2022
Committee stage: 4th sitting (Commons)
12th July 2022
Committee stage: 3rd sitting (Commons)
12th July 2022
Amendment Paper
Public Bill Committee Amendments as at 12 July 2022
11th July 2022
Selection of amendments: Commons
Chair’s provisional selection and grouping of amendments in Committee - 12 July 2022
8th July 2022
Amendment Paper
Notices of Amendments as at 8 July 2022
8th July 2022
Written evidence
Written evidence submitted by Reprieve (NSB01)
8th July 2022
Written evidence
Written evidence submitted by Sarah Kendall, PhD Candidate and Sessional Academic, School of Law, University of Queensland (NSB02)
7th July 2022
Committee stage: 2nd sitting (Commons)
7th July 2022
Committee stage: 1st sitting (Commons)
7th July 2022
Amendment Paper
Public Bill Committee Amendments as at 7 July 2022
6th July 2022
Amendment Paper
Notices of Amendments as at 6 July 2022
5th July 2022
Amendment Paper
Notices of Amendments as at 5 July 2022
4th July 2022
Amendment Paper
Notices of Amendments as at 4 July 2022
1st July 2022
Amendment Paper
Notices of Amendments as at 1 July 2022
30th June 2022
Amendment Paper
Notices of Amendments as at 30 June 2022
27th June 2022
Amendment Paper
Notices of Amendments as at 27 June 2022
7th June 2022
Press notices
Call for written evidence: National Security Bill
6th June 2022
2nd reading (Commons)
6th June 2022
Programme motion
6th June 2022
Money resolution
18th May 2022
Impact Assessments
Impact Assessment from the Ministry of Justice
11th May 2022
1st reading (Commons)
11th May 2022
Bill
Bill 007 2022-23 (as introduced)
11th May 2022
Explanatory Notes
Bill 007 EN 2022-23
11th May 2022
Human rights memorandum
European Convention on Human Rights Memorandum
11th May 2022
Delegated Powers Memorandum
Delegated Powers Memorandum