| National Security and Investment Act 2021 | 2021 c. 25 | Act | functions made exercisable concurrently | The Secretaries of State for Energy Security and Net Zero, for Science, Innovation and Technology, for Business and Trade, and for Culture, Media and Sport and the Transfer of Functions (National Security and Investment Act 2021 etc) Order 2023 | 2023 No. 424 | art. 15(1) | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 1 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 2 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 3 | coming into force | The National Security and Investment Act 2021 (Commencement No. 1 and Transitional Provision) Regulations 2021 | 2021 No. 788 | reg. 2(a) | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 4 | coming into force | The National Security and Investment Act 2021 (Commencement No. 1 and Transitional Provision) Regulations 2021 | 2021 No. 788 | reg. 2(a) | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 5 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 6(2)-(8) | coming into force | The National Security and Investment Act 2021 (Commencement No. 1 and Transitional Provision) Regulations 2021 | 2021 No. 788 | reg. 2(b) | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 7 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 8 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 9 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 10 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 11(1)(2) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 12 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 13 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 14(1)-(3)(5)-(10) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 15 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 16(1)(2)(4)-(9) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 17 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 18(1)-(3)(5)-(10) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 19 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 20 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 21 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 22 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 23 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 24 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 25 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 26 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 27 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 28 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 29 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 30 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 31 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 32 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 33 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 34 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 35 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 36(1)-(4) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 37 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 38 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 39 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 39(1)(a) | words substituted | The Judicial Review and Courts Act 2022 (Magistrates’ Court Sentencing Powers) Regulations 2023 | 2023 No. 149 | reg. 2(1) Sch. Pt. 1 table | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 39(2)(a) | words substituted | The Judicial Review and Courts Act 2022 (Magistrates’ Court Sentencing Powers) Regulations 2023 | 2023 No. 149 | reg. 2(1) Sch. Pt. 1 table | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 39(3) | words substituted | The Criminal Justice Act 2003 (Commencement No. 33) and Sentencing Act 2020 (Commencement No. 2) Regulations 2022 | 2022 No. 500 | reg. 5(1) Sch. Pt. 1 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 39(3) | words substituted | The Judicial Review and Courts Act 2022 (Magistrates’ Court Sentencing Powers) Regulations 2023 | 2023 No. 149 | reg. 2(1) Sch. Pt. 1 table | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 40 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 41(1)-(7) | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 41(9) | coming into force | The National Security and Investment Act 2021 (Commencement No. 1 and Transitional Provision) Regulations 2021 | 2021 No. 788 | reg. 2(c) | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 42 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 43 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |
| National Security and Investment Act 2021 | 2021 c. 25 | s. 44 | coming into force | The National Security and Investment Act 2021 (Commencement No. 2 and Transitional and Saving Provision) Regulations 2021 | 2021 No. 1465 | reg. 2 3 | Yes | |