With increasing speculation about a possible second referendum on Brexit, this is the fifth in a series of posts about the practicalities of such a poll. With ‘exit day’ set for 29 March 2019, Jess Sargeant, Alan Renwick and Meg Russell ask whether the Article 50 period could be extended to allow a referendum to take place, and what the knock-on consequences would be.

In a previous blogpost we concluded that, given the time it would take to hold a new referendum on Brexit, the UK’s exit day of 29 March 2019 would almost certainly need to be delayed. This is legally possible – Article 50, the clause of the EU treaty setting out the process by which member states can leave the EU, makes provision for an extension to the two-year period if agreed unanimously by the UK and the EU27. This post examines whether such an agreement is likely, what difficulties may be encountered should the UK’s leaving date be postponed, and what solutions could be found.

Would the EU be likely to agree an Article 50 extension?

All the indications are that the EU would be willing to agree an Article 50 extension to allow the UK to conduct a democratic process such as a general election or a referendum before Brexit is finalised. If remaining in the EU were an option in the referendum, the 27 might well want to afford the UK the opportunity to change its mind. Even if Remain were not an option, there is a strong argument that the EU would want to honour the democratic principles on which it was founded and not deny sufficient time for the UK electorate to have the chance to vote, provided it felt that the UK was being sincere and not just ‘playing for time’. Continue reading →