Parliamentary Sovereignty Or The Rule Of Law Essay

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An issue that has remained debatable since the Jackson litigation was what ought to be the ultimate controlling factor in the British constitution: parliamentary sovereignty or the rule of law. This essay sets out to consider the reputedly irreconcilable tension between the two fundamental constitutional principles by analysing the extensive obiter dicta in Jackson and relating it to judicial review which upholds the rule of law. The contention of this essay is that despite the courts' deferential attitude towards the sovereignty of the laws of Parliament, the rule of law may potentially gain dominance and surpass parliamentary sovereignty to become the ultimate controlling factor in the British constitution.

The word ‘constitution’ is commonly used to describe a written legal document that embodies a set of rules and principles that ‘establish and regulate or govern the government’ of a country. The United Kingdom, however, does not have such a document.

The British constitution, which is derived from various written sources including Act of Parliaments, judicial decisions, constitutional conventions, European Union law and international law, is largely uncodified.

While an uncodified constitution has the advantages of dynamic, adaptability and flexibility to meet the ever-changing needs of the society , it poses much difficulty in pinpointing the ultimate constitutional principle that should provide legitimacy in the British constitution. This results in a battle between two broad schools of thought––political constitutionalism and legal constitutionalism.

On one hand, political constitutionalists argue that parliamentary sovereignty is the underlying principle in the British constitution as power and law making are bo...

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...pe, Lady Baroness Hale and Lord Steyn.

Lord Hope notably proposed that ‘the rule of law enforced by the courts is the ultimately controlling factor on which our constitution is based’ . This was concurred by Lady Baroness Hale who stated that ‘the courts will treat with particular suspicion any attempt to subvert the rule of law’ although she acknowledged, ‘the constraints upon what Parliament can do are political and diplomatic rather than constitution.’

Lord Steyn was perhaps the most candid. While he conceded that parliamentary sovereignty is the ultimate controlling factor in the British constitution, he claimed that parliamentary sovereignty is a creation of common law and exceptional situations may arise where the courts have to step in to review legislation of the Parliament, implying that even the sovereign Parliament may be subjected to the rule of law.

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