Finian McGrath (Dublin North Central, Independent)
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Question 254: To ask the Minister for Foreign Affairs if the European Union Court of Justice has more power than Ireland's Supreme Court. [21702/08]

Micheál Martin (Cork South Central, Fianna Fail)
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The Supreme Court is the final arbiter on all questions of Irish law, under the terms of Bunreacht na hÉireann.

It is clear that the ultimate source of sovereignty remains with the Member States and their national constitutions, with the jurisdiction of the Court of Justice applying only to those areas where the Member States have conferred powers on the Union. In this regard, the Lisbon Reform Treaty expressly recognises that the EU can only exercise the powers given to it by the Member States, who must act in accordance with their own constitutional requirements in conferring such powers.