Clifford Chance

Brexit: Parliamentary approval required for UK to leave the EU

3 November 2016

The English High Court has decided in R (oao Miller) v DExEU that the Government needs prior authorisation from Parliament to give the article 50 notice that will start the process of the UK leaving the EU. The Government must therefore either appeal successfully or it must engage with Parliament. If an appeal fails, there could be delays while Parliament grapples with Brexit, and uncertainty as to what the outcome will be.

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