Jurisdiction(s):
United Kingdom

Related legal acts

Key definition

Sector definition

What does Sector mean? In legal practice, sector describes a category of economic activity or group of undertakings with shared products, services or regulation (for example energy, telecommunications, financial services or media), used to frame regulatory, contractual and transactional analysis. The term is generally descriptive rather than a single defined legal term, but specific statutes define sectors for particular purposes: in the UK, anti-money laundering law refers to the “regulated sector”, public procurement law identifies the “utilities sectors”, and national security screening specifies “sensitive sectors” for notifiable acquisitions; Irish legislation uses analogous concepts (for example “designated persons” for AML and sector-specific procurement directives). Usage...

Health and safety regulation in the UK offshore oil and gas sector: regulators, powers, inter-agency MOUs, enforcement and penalties under post-Brexit assimilated law

Published by a LexisNexis Energy expert

Practice notes

Brexit impACT

At 11 pm (GMT) on 31 December 2020, the Brexit transition/implementation period that followed the UK’s Exit from the EU concluded. At this moment—termed ‘IP completion day’ in UK law—transitional measures ceased and notable shifts started to apply across the UK’s legal framework. Any updates pertinent to this content will appear below.

On IP completion day, the European Union (Withdrawal) Act 2018 (EU(W)A 2018) introduced a distinct form of domestic UK law—retained EU Law (REUL)—comprising EU-derived rights and legislation kept in force in the UK after Brexit. On 29 June 2023, the Retained EU Law (Revocation and Reform) Act 2023 (REUL(RR)A 2023) received Royal Assent. It alters how REUL is handled by:

revoking substantial amounts of REUL from 31 December 2023
re‑labelling REUL as ‘assimilated law’ from 1 January 2024
creating new powers concerning assimilated law

This re-categorisation of REUL (and related terminology) to assimilated law signals a change in its status and treatment under UK law, such that it is, in general, to be interpreted in line with ordinary domestic law and principles. From 1...

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Lynne Gray

Burness Paull

Lynne is head of Burness Paull’s health & safety and corporate crime team. She advises major corporate clients responding to incidents, facing investigation or prosecution from authorities, including Police Scotland, the Health and Safety Executive, SEPA, the Offshore Major Accident Regulator and OPRED. Lynne has considerable experience of regulatory investigations and enforcement specialising in cases involving crisis management, fatalities and major health, safety and environmental incidents. She has a particular expertise in complex energy cases and casualty cases, being involved in several high-profile investigations and legal proceedings in the last ten years, including onshore and offshore helicopter accidents. Lynne is skilled in managing and supporting clients through all aspects of an incident, through lengthy and complex technical investigations to final resolutions.Lynne also provides advice and guidance to board members, employers, and individuals with management responsibilities for compliance with regulatory duties. She is...

Web page updated on 21/05/2026

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