The UK Supreme Court rules that the Government cannot
trigger Article 50 without a vote in Parliament.
Following the June 2016 referendum, the UK Government proposed
to use its prerogative powers to withdraw from the EU by serving a
notice in accordance with Article 50 of the Treaty on European
Union, withdrawing the UK from the EU treaties.
In
November 2016, the High Court ruled that the Government does
not have the power under the Crown's prerogative to give notice
pursuant to Article 50, requiring a vote by Parliament to give
notice. The Government appealed that judgment.
References from Northern Ireland, and interventions by the Lord
Advocate for the Scottish Government and the Counsel General for
Wales for the Welsh Government, raise the additional issues of
whether the terms on which powers have been statutorily devolved
require consultation with or the agreement of the devolved
legislatures before serving a notice in accordance with Article 50,
or