The continuing constitutional pressures of Brexit

Ahead of the launch event for their new book on the continuing constitutional pressures of Brexit, Oran Doyle, Aileen McHarg and Jo Murkens summarise the book’s introductory essay. They conclude that, five years on from the seismic constitutional event that was the 2016 referendum, it is clear that Brexit is exerting pressure on various aspects of the constitution, but it remains too early to tell the full impact of Brexit on the UK constitution.

The United Kingdom’s withdrawal from the European Union was clearly a development of major significance that affected the UK constitution and its three legal systems, and brought about a series of political crises. But the prolonged process of negotiating the terms of withdrawal and the future UK-EU relationship also imposed and exposed a range of other constitutional tensions and pressures. This is true not only in respect of the UK itself, but also for the EU – which experienced a major recasting of its external borders, a recalibration of internal decision-making dynamics, and challenges to core features of its constitutional order – and in particular for Ireland – which, by virtue of its geographic position and constitutional history, has faced unique political and constitutional challenges as a consequence of Brexit.

In The Brexit Challenge for Ireland and the United Kingdom: Constitutions Under Pressure, recently published by Cambridge University Press, scholars based in the UK and Ireland explore a wide range of constitutional, legal, and political issues affecting both countries which have arisen out of Brexit. These include questions of territorial governance within the UK, the renewed prospect and implications of a united Ireland, the use of constitutional referendums, the impact of Brexit on political parties, executive-parliamentary relations, and the role of the courts and law officers in constitutional disputes.

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Scotland’s place in the Union will not be decided in the courts: only politicians can enable or prevent independence

Whether or not Scotland can legally hold a referendum without the consent of Westminster is a question that has provoked much debate. Ciaran Martin argues that the answer to this question does not really matter: regardless of the legality of any referendum, it is unrealistic to think that Scotland will leave the Union without the consent of Westminster. This makes the key question a political one, which the courts cannot resolve.

In mid-August I spoke at the Edinburgh International Book Festival about Scotland and the future of the United Kingdom. My theme was that when the constitutional debate resumes (which it will) after the post-Holyrood election lull, there could, and in my view should, be a debate not just on what independence means, but on what remaining in the Union means. This is a fundamentally different proposition than it was in 2014, and not just because of Brexit.

In 2014, the three UK-wide unionist parties (which, let’s not forget, at the time held 53 of Scotland’s 59 Westminster seats between them) were all evidently comfortable with devolution. Both the UK government and the broader Better Together campaign spoke of ‘the best of both worlds’ of an autonomous Scotland within a devolved UK. As the polls tightened, the response was ‘the vow’ of more devolution.

Things are different this time. In July, Welsh First Minister Mark Drakeford, leader of the most successful unionist party in any of the devolved territories, warned of ‘a Government that is instinctively hostile’ for the first time in the history of devolution. Sometimes such hostility is just blurted out; sometimes it becomes law, such as the constitutional land grab that is the Internal Market Act. Combined with the unworkability of fully federal models in the UK, this instability within the Union means that when Scotland is debating its constitutional future, the nature of the Union it’s being invited to stay in merits more discussion than last time.

Insofar as I thought any of my arguments would attract attention, it was this one. But instead, coverage emphasised a throwaway restatement of my long-articulated view that the Scottish government is likely (though I did not say certain) to lose any legal case brought against referendum legislation it seeks to pass in Holyrood in the absence of a Section 30 power agreed with Westminster.

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