The Road Vehicles (Construction and Use) (Amendment) Regulations 2025 amend the 1986 Regulations to permit road use of hydrogen-fuelled agricultural vehicles, engineering plant, works trucks, and category T tractors.

The amendments introduce new safety requirements for hydrogen fuel systems, including stipulations for fuelling receptacles, pressure relief devices, leak prevention, and driver warnings.

These requirements align with UNECE regulations and aim to balance enabling the use of hydrogen technology with ensuring public and environmental safety.

The Digital Markets, Competition and Consumers Act 2024 (Consequential Amendments) Regulations 2025 amend several UK laws to reflect changes in consumer protection, enforcement mechanisms, and information disclosure related to the Digital Markets, Competition and Consumers Act 2024.

The regulations predominantly replace references to older legislation with references to the newer Act, ensuring consistent application of the new Act's directives across various legal instruments.

Specific changes include updates to acts governing agriculture, misrepresentation, telecommunications, and financial services, among others.

The amendments also clarify information disclosure rules to support smoother international cooperation between regulators.

Several amendments will come into force only once specific parts of the 2024 Act are enacted.

These regulations amend the UK's implementation of the EU's Persistent Organic Pollutants (POPs) Regulation (EU) 2019/1021.

Specifically, they modify the permitted uses of Dechlorane Plus and UV-328, allowing their continued use in certain applications, such as aerospace, defense, and medical devices, until specific dates in 2030 and 2044.

The amendments also clarify permitted use for replacement parts and repairs within those applications.

The regulations ensure consistency with previous UK legislation (S.I. 2025/296).

The Government Resources and Accounts Act 2000 (Estimates and Accounts) Order 2025 designates numerous central government bodies as 'designated bodies' for the financial year ending 31 March 2026.

This designation is for their inclusion in the supply estimates and resource accounts of their respective government departments.

The order covers various government departments and agencies across England, Wales, Scotland, and Northern Ireland.

It is based on powers granted by the Government Resources and Accounts Act 2000 and includes consultations with devolved administrations.

The Transmissible Spongiform Encephalopathies (Amendment) (England) Regulations 2025, effective April 1st, 2025, amend Regulation (EC) No 999/2001 by eliminating the requirement for intensified two-year monitoring of holdings with confirmed atypical scrapie cases in sheep or goats in England.

These changes were made following appropriate advice on public health implications and consultation with relevant stakeholders.

These regulations amend the 2023 Product Security and Telecommunications Infrastructure Regulations.

Key changes include clarifying the required information on minimum security update periods for manufacturers and adding exceptions to the definition of 'relevant connectable products' for certain types of vehicles found in Great Britain.

The exemptions mirror existing exceptions for Northern Ireland, reflecting a commitment to regulatory alignment and alignment with international trade obligations.

These regulations create a temporary system for moving specific goods from Northern Ireland to Great Britain, mirroring checks on imports from non-EU countries.

This involves applying existing legislation with modifications and specifying entry points.

The regulations also amend other legislation connected to defining ‘qualifying Northern Ireland goods’ to reflect ongoing changes in applicable law.

The Whole of Government Accounts (Designation of Bodies) Order 2025 designates numerous public and local government bodies to provide financial information to the Treasury for the 2024-2025 financial year.

This data is used to compile the Whole of Government Accounts, aiming to improve transparency and accountability in public spending.

The Order came into force on March 18, 2025, and applies to England, Wales, Scotland, and Northern Ireland.

The Treasury consulted with Welsh Ministers where deemed appropriate.