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View the IIEA Guide to Brexit here.


On 29 March 2017, the United Kingdom notified the European Council of its intention to withdraw from the European Union. By 29 April, the EU had agreed on its negotiating position, and the withdrawal talks will begin in earnest after the new UK government is formed in June.

While the broad parameters of the negotiating positions are now known, much remains to be clarified about the negotiations and indeed the process of withdrawal. It is the first time in the Union’s history that a Member State has withdrawn, and Brexit is in many ways a leap into the unknown for all parties.

The aim of this brief is to provide an accessible overview of what is known to date about the UK’s withdrawal from the European Union.

The first sections provides an overview of the process, including timelines and key players. Section 2 provides some information on UK, EU and Irish priorities, including a side-by-side comparison of the early negotiating points, and a brief analysis of the potential sticking points.

The final section provides an overview of the positions and relative exposure to Brexit of the other 26 Member States.


View the IIEA Guide to Brexit here.