Britain will only be free from the influence of European Courts if it votes for Brexit, says senior British judge
Downing Street has indicated that proposals on how courts could uphold British sovereignty will be brought forward "in the coming weeks".
However, Michael Gove, the Justice Secretary, has admitted that the forthcoming Bill of Rights will "still be subject to the primacy of European law".
Sir Francis told Radio 4's Today programme: "If there were 28 member states each taking a different view of what European Union law should mean, then it would be impossible for the European Union to function.
"So it does require that Union law should be recognised as prevailing over national law."
Asked if he believed those who wished British law to be sovereign should vote to leave the European Union, he said: "I think that is right, yes there is certainly no alternative to the view that European Union law must prevail over national law."
Sir Francis also rejected Boris Johnson's suggestion that Britain should be given an emergency "brake" on European Union laws.
The Mayor of London has floated the idea of amending the 1972 act of parliament to give Britain complete sovereignty over its legal system.
Sir Francis said: "Well I think that is difficult, we must distinguish the court and the parliament.
"As far as the United Kingdom courts are concerned, they can already express doubts and they do, about the interpretation of European Union law and they can ask the court of justice to reconsider. So they are already in that situation."

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