# The Online Safety Act 2023 (Commencement No. 6) Regulations 2025

S.I. 2025/888 · made 17 July 2025

These Regulations are the sixth commencement regulations made under the Online Safety Act 2023 (c. 50) (“the 2023 Act”). They bring into force section 210 of the 2023 Act, which repeals the video-sharing platform regulatory regime under Part 4B of the Communications Act 2003 (c. 21) (“the 2003 Act”). Services known as “pre-existing Part 4B services” (defined in paragraph 1 of Part 1 of Schedule 17 to the 2023 Act) have been regulated under both the 2003 Act and the 2023 Act since entering a transition period on 10th January 2024. Detailed transitional arrangements are provided for in Schedule 17 to the 2023 Act.

Made under: Online Safety Act 2023 (Section 240)

PDFs: Printed copy https://openlegislation.uk/online-safety-act-2023-commencement-no-6-regulations-2025/pdf/uksi_20250888_en.pdf

## Introductory text

ELECTRONIC COMMUNICATIONS
Made 17th July 2025
The Secretary of State makes these Regulations in exercise of the powers conferred by section 240(1) and (2) of the Online Safety Act 2023.

## 1 Citation and extent

(1) These Regulations may be cited as the Online Safety Act 2023 (Commencement No. 6) Regulations 2025.
(2) These Regulations extend to England and Wales, Scotland and Northern Ireland.

## 2 Provisions coming into force on 25th July 2025

Section 210 of the Online Safety Act 2023 (repeal of Part 4B of the Communications Act 2003) comes into force on 25th July 2025.

## Signature

Jones of Whitchurch
Parliamentary Under-Secretary of State
Department for Science, Innovation and Technology
17th July 2025

## Explanatory note

(This note is not part of the Regulations)
These Regulations are the sixth commencement regulations made under the Online Safety Act 2023 (c. 50) (“the 2023 Act”). They bring into force section 210 of the 2023 Act, which repeals the video-sharing platform regulatory regime under Part 4B of the Communications Act 2003 (c. 21) (“the 2003 Act”). Services known as “pre-existing Part 4B services” (defined in paragraph 1 of Part 1 of Schedule 17 to the 2023 Act) have been regulated under both the 2003 Act and the 2023 Act since entering a transition period on 10th January 2024. Detailed transitional arrangements are provided for in Schedule 17 to the 2023 Act.
These Regulations mark the end of the transition period. From 25th July 2025, pre-existing Part 4B services will be regulated wholly under the 2023 Act and will be subject to each of the relevant duties of care specified in Part 3 of the 2023 Act.
A full impact assessment has been published in relation to the 2023 Act and copies can be obtained from the UK Government website at https://www.gov.uk/government/publications/online-safety-act-enactment-impact-assessment or from the Department for Science, Innovation and Technology at 100 Parliament Street, London, SW1A 2BQ, United Kingdom.

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Source: https://www.legislation.gov.uk/uksi/2025/888 (the official version)
Page: https://openlegislation.uk/online-safety-act-2023-commencement-no-6-regulations-2025
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.