The Treasury substituted a new investigation regulation into the 2024 Regulations, introduced transitional periods for firms seeking permissions related to a new regulated activity, and made consequential amendments across primary, assimilated direct, and subordinate legislation including various sanctions regimes.

These Regulations, made by the Treasury under powers in the Financial Services and Markets Act 2000, make technical amendments and transitional provisions concerning the Public Offers and Admissions to Trading Regulations 2024.

Specifically, they substitute a new provision for FCA investigation powers concerning entities subject to the 2024 Regulations, establish temporary arrangements for existing authorised persons applying to conduct the newly regulated activity of operating an electronic system for public offers, and introduce consequential amendments across various pieces of legislation, including primary and subordinate legislation and numerous UK sanctions regulations, to align them with the new framework.

The Secretary of State revoked the Online Safety (CSEA Content Reporting by Regulated User-to-User Service Providers) Regulations 2025 under powers granted by the Online Safety Act 2023.

These Regulations, enacted by the Secretary of State using powers under the Online Safety Act 2023, officially revoke the earlier Online Safety (CSEA Content Reporting by Regulated User-to-User Service Providers) Regulations 2025, effective from November 2nd, 2025, across the whole of the UK, following consultation with the NCA and OFCOM.

The instrument revoked the prior regulations that scheduled specific child protection reporting duties under the Online Safety Act 2023 to commence on November 3rd, 2025.

These Regulations, made by the Secretary of State under the Online Safety Act 2023, revoke the Online Safety Act 2023 (Commencement No. 5) Regulations 2025, thereby preventing specific provisions of the Act that mandate certain user-to-user service providers to report child sexual abuse and exploitation content to the National Crime Agency from coming into force on their scheduled date of November 3rd, 2025; this legislative action extends across England, Wales, Scotland, and Northern Ireland and is stated not to require a full impact assessment.

OFCOM established the Wireless Telegraphy (Licence Charges for the 2100 MHz Frequency Band) Regulations 2025, setting one-off and index-linked annual charges for 2100 MHz spectrum access, effective late 2025 and 2026, while revoking the 2021 charges regulations.

The Office of Communications (OFCOM) enacted these Regulations under the authority of the Wireless Telegraphy Act 2006 to establish the specific licence charges payable for utilizing the 2100 MHz paired frequency band.

The regulations detail an initial one-off charge payable in January 2026, set at £622 per kilohertz, and prescribe an annual charge formula effective from October 2026, which adjusts based on Consumer Price Index (CPI) inflation relative to September 2024.

They also offer licensees the option to pay the annual charges in twelve monthly instalments, revoke obsolete 2021 regulations, and ensure continuity for recovering outstanding debts under the old framework.

The Regulations brought certain sections of the Media Act 2024 concerning content quotas and Channel 4 duties into force on October 1, 2025, and brought the bulk of the public service broadcasting framework reforms into force on January 1, 2026.

These Regulations, made by the Secretary of State under powers granted by the Media Act 2024, specify the dates on which further sections of the Act will become legally operational.

Specifically, they bring certain provisions regarding independent production quotas and Channel 4 commissioning duties into force on October 1st, 2025, and enact the majority of reforms concerning the public service remit framework, quotas, and associated amendments for the BBC, S4C, and commercial broadcasters on January 1st, 2026.

The Online Safety Act 2023 (Qualifying Worldwide Revenue) Regulations 2025 were enacted, defining the calculation of qualifying worldwide revenue for online service providers to determine fees payable to Ofcom and maximum penalty amounts.

These regulations, effective October 8, 2025, define how to calculate qualifying worldwide revenue (QWR) for online service providers under the UK's Online Safety Act 2023.

The QWR determines fees paid to Ofcom and the maximum penalties for violations.

Part 2 details QWR calculation for fee-setting, focusing on revenue directly related to regulated services.

Part 3 defines QWR for calculating maximum penalties for groups of entities, considering all revenue (regardless of service relation).

The regulations aim for financial transparency and consistent enforcement.

The 2025 rules amended the Competition Appeal Tribunal Rules 2015 to incorporate procedures for claims under section 101 of the Digital Markets, Competition and Consumers Act 2024.

The Competition Appeal Tribunal (Amendment) Rules 2025 amend the 2015 rules to address claims under section 101 of the Digital Markets, Competition and Consumers Act 2024.

These amendments primarily clarify procedural rules for claims related to breaches of requirements imposed by the Competition and Markets Authority (CMA) and incorporate provisions for CMA notification, potential stays of proceedings, and the Tribunal's consideration of stays.

The changes aim to create a more streamlined and efficient process for resolving such claims.

The 2025 regulations created an exemption for brand advertising of less healthy food and drink, subject to defined criteria outlined in the document.

The Advertising (Less Healthy Food and Drink) (Brand Advertising Exemption) Regulations 2025 establish an exemption from advertising restrictions for brand advertisements of less healthy food and drink products, as defined within the regulations, under the Communications Act 2003.

The regulations clarify this exemption by detailing specific criteria for what constitutes a brand advertisement and what types of brand advertisements remain subject to restriction.

The regulations came into force on October 31, 2025, and apply to all four nations within the United Kingdom.