The tension between European Community law (EC) and national law is arguably the most debated topic of constitutional law . The convention of Parliamentary supremacy is rooted within the British constitution as a fundamental limb of the separation of powers doctrine . Constitutional convention in fact dictates that the judiciary is bound by Parliament and the case of R v Jordan asserted that the courts had no power to challenge the validity of Parliamentary legislation. However, the incorporation of community law through the implementation of the European Communities Act 1972(the ECA), which expressly gives legal effect to EC law has led to the creation of what has been described as "a new legal order ", directly attacking traditional constitutional convention of national sovereignty .
Keywords: Constitutional Law, Supremacy of EC Law, Parliamentary supremacy, European Communities Act 1972, Implied repeal
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