Introduction
Delegated legislation, often referred to as secondary legislation, plays a crucial role in the UK legal system by allowing detailed rules and regulations to be made under the authority of primary legislation passed by Parliament. While this mechanism ensures administrative efficiency, it also raises concerns about potential misuse or overreach by those granted such powers. This essay aims to advise Janika, a BTEC Law student, on the processes used to control delegated legislation, focusing on the roles of Parliament and the courts. The discussion will explore parliamentary oversight during the drafting and approval stages, as well as judicial control once the legislation is enacted. By examining these mechanisms, the essay highlights their importance in maintaining accountability and preventing arbitrary rule-making.
Parliamentary Control Over Delegated Legislation
Parliament exercises control over delegated legislation through several procedural mechanisms designed to ensure scrutiny and accountability. One key process is the requirement for most delegated legislation to be laid before Parliament, either as a statutory instrument or another form of secondary legislation. This allows Members of Parliament (MPs) and peers in the House of Lords to review the proposed rules. As noted by legal scholars, this process is critical to prevent misuse of delegated powers (Bradley and Ewing, 2011). There are two main procedures: the negative resolution procedure, where legislation becomes law unless rejected within a specified period (typically 40 days), and the affirmative resolution procedure, which requires explicit approval from both Houses of Parliament before enactment. The negative procedure, while efficient, arguably offers limited scrutiny as it relies on proactive opposition, which may not always materialise.
Additionally, parliamentary committees play a vital role in oversight. The Joint Committee on Statutory Instruments (JCSI), for instance, examines delegated legislation to ensure it aligns with the enabling Act and identifies any drafting errors or ultra vires actions (exceeding legal authority). While the JCSI cannot amend or reject legislation, its reports influence parliamentary debates and decisions. This process demonstrates Parliament’s attempt to balance efficiency with accountability, though critics argue that the sheer volume of delegated legislation often limits effective scrutiny (Law Teacher, 2018).
Judicial Control After Enactment
Once delegated legislation is enacted, the courts provide an essential check through judicial review. This process allows individuals or organisations to challenge secondary legislation if it is deemed ultra vires, procedurally improper, or unreasonable. A notable case illustrating this control is R v Secretary of State for the Home Department, ex parte Fire Brigades Union (1995), where the court ruled that delegated powers must align with the parent Act’s intentions. Judicial review ensures that subordinate authorities do not act arbitrarily, thereby protecting the rule of law (Lawyers & Jurists, 2020).
However, judicial control has limitations. Courts generally avoid interfering with policy decisions unless there is clear evidence of illegality or irrationality, as per the Wednesbury unreasonableness principle. This restraint reflects the judiciary’s respect for parliamentary sovereignty, though it may occasionally leave gaps in addressing problematic legislation. Therefore, while judicial oversight is a powerful tool, its reactive nature means issues may persist until challenged in court.
Conclusion
In advising Janika, it is clear that both Parliament and the courts play indispensable roles in controlling delegated legislation in the UK. Parliamentary mechanisms, such as laying procedures and committee scrutiny, provide pre-enactment oversight, though their effectiveness can be constrained by practical challenges like time and volume. Once enacted, judicial review offers a critical post-enactment safeguard, ensuring legality and fairness, albeit with a cautious approach to policy matters. Together, these processes strive to prevent arbitrary rule-making and uphold democratic principles. For Janika, understanding these controls highlights the delicate balance between efficiency and accountability in administrative law, underscoring the need for continuous vigilance to address any limitations in the system.
References
- Bradley, A.W. and Ewing, K.D. (2011) Constitutional and Administrative Law. 15th edn. Harlow: Pearson Education.
- Law Teacher (2018) Control Over Delegated Legislation. Law Teacher.
- Lawyers & Jurists (2020) The Control Over Delegated Legislation. Lawyers & Jurists.

