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The Mechanics of a Further Referendum on Brexit

8 October 2018

The mechanics of a further referendum on Brexit

A referendum on Brexit is clearly possible. But the details matter, and contingency planning should start now to ensure that any such referendum is viewed as legitimate. These are the key conclusions of a new Constitution Unit report written by Jess Sargeant, Alan Renwick, and Meg Russell.

The report titled The Mechanics of a Further Referendum on Brexit highlights the constitutional and legal questions that must be considered, including: the timeline, how a referendum could be triggered, the format of the question, and what rules should govern its operation. The report takes no position on Brexit or on whether a further referendum should be held, but seeks to inform debate about the practicalities.

Key conclusions include:

• A new referendum requires legislation: ensuring proper scrutiny of this, and adequate preparation for the poll would take at least 22 weeks.

• This would demand an extension to the Article 50 period, which should be achievable – but does open up some complications, particularly regarding the European Parliament elections due in May 2019.

• There are various trigger points for a referendum. Parliament could demand a referendum in return for approving the government’s deal with the EU, or impose it in the event of ‘no deal’ to avoid the UK crashing out without a deal.

• Some politicians have advocated a ‘yes/no’ referendum on the deal, but this would be unwise. The report also dismisses a two-stage poll, as some others have proposed, and concludes that a ‘deal’ vs. ‘no deal’ poll is unlikely.

• Three question formats are more viable: ‘deal’ vs. ‘remain’, ‘no deal’ vs. ‘remain’ (if no deal is reached) or a three-option poll on ‘deal’ vs. ‘no deal’ vs. ‘remain’.

• The franchise for a referendum should be the same as in June 2016, to avoid the risk that a changed franchise alters the result.

• Referendum regulation should be updated to account for online campaigning.

• Five scenarios for a referendum are set out, with a first possible polling day in May 2019.

The report is co-published with the UK in a Changing Europe programme. The research was funded by the JRSST Charitable Trust.

Dr Alan Renwick, report co-author and Deputy Director of the Constitution Unit said:

“The principle of a further referendum on Brexit is likely to remain controversial, so it is of utmost importance that the process should command the maximum legitimacy. If the result is to be accepted by those on all sides, every effort should be made to ensure the referendum campaign is fair, the poll is properly conducted, the options put to the referendum are clear, and the question allows voters to express their preferences unambiguously.”

Professor Meg Russell, report co-author and Director of the Constitution Unit said:

“In the British system anything is possible given the political will. The current level of interest in a further referendum on Brexit makes it vital that serious consideration is given to all possible scenarios, including which would work best and which would be most problematic. As events remain unpredictable, and may unfold quickly, it is possible that politicians will need to take rapid decisions, and we hope that our report can guide sensible and responsible decision-making."

Commenting on the new Unit report Professor Anand Menon, Director of the UK in a Changing Europe programme said:

“As ever, the details matter. While it is of course completely legitimate to debate and indeed campaign for, a second referendum, it is important that we are aware of the practical legal and constitutional rules that would determine how this might come about. This report spells these rules out clearly and comprehensively.”

Seminar

Alan Renwick and Meg Russell will present and discuss the report and its findings at a seminar at 6.15pm on Thursday 11 October in the JZ Young Lecture Theatre, Anatomy Building, UCL. Details of the seminar and registration are here.

Key Links

· The Mechanics of a Further Referendum on Brexit (65 pages)

· Project webpage, including links to a series of blogposts summarising the findings