Prorogation and judicial review – is Sir John Major right?


Sir John Major told the BBC this week that he would seek a judicial review if the new Prime Minister tried to suspend Parliament to deliver a no deal Brexit. But would such legal action have a real prospect of success, as claimed by some lawyers, including Lord Pannick QC, who won an improbable victory in the Supreme Court in the Gina Miller case?

The government has many powers over the House of Commons that it can exercise without needing a majority. These include deciding most of what the Commons debates and votes on. But they do not include deciding when the House goes into recess: that only happens when it votes to do so and only for as long as the resolution specifies.

The government does, however, have a way of sending MPs home without asking their permission, namely to ask the Queen to prorogue parliament, thereby bringing the current session of Parliament to an end.

Prorogation lasts for as long (months) or as short (days) as the Queen, on the advice of the Privy Council, decides. The only clear limits on the length of a prorogation are, first, a statute of 1694 requiring Parliament to be held at least once every three years, and second, the practical consideration that much of government spending and several important taxes are authorised one year at a time.

Until 2017, prorogations generally happened once a year and gave MPs a few days off before the Queen’s Speech. No prorogation has happened since the 2017 election, presumably because the government has not been confident that it could win the votes that follow the debate on the Queen’s Speech.

Prorogation is one of the prerogative powers of the monarch. By convention, although not by law, if ministers advise the monarch to use a prerogative power in a particular way, the monarch will comply. That way, political responsibility for using prerogative powers lies with ministers, who can be questioned in Parliament by MPs about what they have done.

That being said, a Prime Minister who lacks the confidence of the House is not entitled to the same deference as one who enjoys it. And no monarch is required to act on unconstitutional advice. In a similar crisis in Canada in 2008-9, the Governor-General granted a prorogation, but that established only that she could, not that she had to.

The issue of whether the monarch can reject a prime ministerial request for a prorogation is, however, quite distinct from the question as to whether the legality of a prorogation can be challenged in court.

Challenging a personal decision of the Queen in her own courts is not possible. However, it is possible to claim not against the monarch but against the Prime Minister, on the basis that the latter’s advice was unlawful.

An issue of timing arises: if the Queen has already prorogued Parliament to a date beyond exit day it could be argued that the fact that the Prime Minister’s advice was unlawful is irrelevant, since the deed would already have been done.

However, the monarch can call Parliament to meet earlier than the date to which it had been previously prorogued and so if a court decided that the Prime Minister’s advice was unlawful, he or she could advise recalling Parliament. A court might even require the Prime Minister to do so, although the judges like to proceed on the basis that ministers respect the rule of law without being threatened.

The next question concerns the grounds of challenge. Roughly speaking the courts recognise three kinds of ground – that the decision was tainted by procedural impropriety; that it was illegal, or that was wholly unreasonably or irrational.

It seems unlikely that any procedural challenge would succeed. Political decisions are inherently self-interested; there is no history or expectation of consulting others. Imposing procedural requirements on Prime Ministers in this kind of case would be revolutionary and, in the minds of many judges, an unwelcome extension of legalistic rules into the political realm.

A legality challenge seems more promising. Some have argued for example, that a prorogation might violate the requirement of the Bill of Rights 1689 that ‘ for Redresse of all Grievances and for the amending strengthening and preserving of the laws Parliaments ought to be held frequently.’ The trouble with this argument, however, is that the Act of 1694 specified that it was enough for parliaments to be held every three years.

Another type of legality challenge is to argue that Prime Minister has misunderstood and therefore misapplied the law about the scope of the power. The argument would be that the power to prorogue only exists for purposes consistent with the existence and functioning of parliamentary democracy – for example facilitating a new Queen’s Speech or allowing the House to consider again a question it has already decided (such as a meaningful vote on the Withdrawal Agreement) or to kick off an election campaign. So if it could be shown that a Prime Minister’s purpose was to frustrate parliamentary democracy, a court might be persuaded that the power had been misconstrued and misused.

However, this argument is difficult to justify historically – the power to prorogue predates modern democracy – and so a case needs to be made that such arguments apply to our current system of government as a matter of principle.

A related, but more modestly articulated, argument is that the prorogation advice took into account legally irrelevant considerations. Boris Johnson has said that the threat of prorogation was ‘an essential tool in our negotiation’ with the EU. The argument would be that impressing or frightening foreign governments should not be relevant to a decision to stop our own Parliament sitting.

The counter-argument would be that foreign policy is a matter for the government, not the courts, and so the relevance of foreign policy to domestic policy is also a matter for the government rather than the courts. It is not clear which way this point would go.

The third ground, unreasonableness or irrationality, includes a catch-all category of decisions so unreasonable that no reasonable public authority would have made them. A political case exists, expressed by Dominic Grieve MP when he said that prorogation would be the end of parliamentary democracy. However, such an argument is a less persuasive way of putting the legality argument.

Sir John Major’s proposed judicial review of a Johnson prorogation is not fanciful or unarguable. But whether it would succeed is far from clear.

By Professor David Howarth, Professor of Law and Public Policy at the University of Cambridge and Catherine Barnard, senior fellow at The UK in a Changing Europe. This is a longer version of a piece that originally featured in The Times. Read their explainer ‘what is prorogation?’ here.

Disclaimer:
The views expressed in this analysis post are those of the authors and not necessarily those of the UK in a Changing Europe initiative.

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