100 years of the Government of Ireland Act: how it provided a model for Westminster-Edinburgh relations

The Government of Ireland Act 1920 is 100 years old tomorrow. David Torrance examines the legislation and its impact, arguing that a number of the constitutional conventions that regulate relations between Westminster and Holyrood have roots in those that applied to Stormont between 1920 and 1972.

Wednesday 23 December marks the centenary of royal assent for the Government of Ireland Act 1920 (the ‘1920 Act’). That this created the part of the UK known as ‘Northern Ireland’ and its border is well known, but its devolution settlement – a parliament, government, governor and prime minister – has largely faded from public consciousness.

As the historian Graham Walker has observed, Northern Ireland ‘serves as a reminder that devolution and constitutional change has a long, complex, and fascinating history, and did not just appear magically at the end of the twentieth century’ [1]. Indeed, this blog will argue that many of the constitutional conventions now associated with Holyrood-Westminster relations have antecedents in those which developed between Stormont and the UK parliament between 1921 and 1972. There was also one major difference, self-determination, analysis of which concludes this piece.

A ‘sound custom’ of non-interference

Speaking during Lords consideration of the Scotland Bill in 1998, Lord Sewel observed that ‘as happened in Northern Ireland earlier in the century’ the government would expect ‘a convention to be established that Westminster would not normally legislate with regard to devolved matters in Scotland without the consent of the Scottish parliament’. This would later come to be known as the Sewel convention.

The Northern Ireland precedent acknowledged by Lord Sewel was established in 1922 when Home Secretary Edward Shortt (who had responsibility for GB-NI relations at the time, as there was no Northern Ireland Office) advised withholding royal assent for a bill abolishing the Single Transferable Vote method for local government elections (a matter ‘transferred’ to Belfast). When Northern Ireland’s Prime Minister Sir James Craig and his Cabinet threatened to resign, assent was granted.

By 1953, a Treasury document could state that:

In practice the United Kingdom Parliament refrains from legislating on matters with which the Northern Ireland Parliament can deal, except at the request and with the consent of Northern Ireland. It is recognised that any departure from this practice would be open to objection as impairing the responsibility which has been placed on the Northern Ireland Parliament and Government.

HM Treasury, Northern Ireland, the Channel Islands and the Isle of Man: A Treasury Paper, December 1953, page 9
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Braking the law: is there, and should there be, an executive veto over laws made by parliament?

During the Brexit crises of 2019, something exceptionally rare happened twice in less than six months: parliament passed legislation without the government’s consent. But are there constitutional veto mechanisms that governments can use to prevent this? In a new Unit report, Paul Evans explores this question in detail. He summarises his conclusions here.

What do executive vetoes look like? 

Many constitutional democracies include mechanisms whereby a head of state can veto a law made by the legislature, but few of these are absolute vetoes. Most are suspensory, inviting the legislature to think again, but giving it the last word. The US Constitution is the most obvious example of such an arrangement. France has a broadly similar system but, as with many if not most such vetoes, it isn’t used. Some states (for example Iceland) enable the president to put a law to a referendum. Others (such as Ireland) leave the last word with a constitutional court, but only on matters of constitutionality, not on grounds of political disagreement.

In the UK (and most of the old dominions which retain the Queen as head of state) such an arrangement looks impossible. The executive and the legislature are fused – they can’t have different views. The executive as a lawmaker in the UK only exists as an element of the sovereign parliament (the somewhat misleadingly titled ‘Crown-in-Parliament’). The sovereign has no personal stake in the making of law. They must do as parliament decides. As long ago as 1867, Walter Bagehot expressed this constitutional fact with typical rhetorical brio:

The popular theory of the English Constitution involves two errors as to the Sovereign. First, in its oldest form at least, it considers him as an ‘Estate of the Realm’, a separate co-ordinate authority with the House of Lords and the House of Commons. This and much else the Sovereign once was, but this he is no longer. That authority could only be exercised by a monarch with a legislative veto. He should be able to reject bills, if not as the House of Commons rejects them, at least as the House of Peers rejects them. But the Queen has no such veto. She must sign her own death warrant if the two Houses unanimously send it up to her. It is a fiction of the past to ascribe to her legislative power. She has long ceased to have any.

Withholding of royal assent

Nonetheless, when the first stirrings of what was to become the Cooper-Letwin Act (the European Union (Withdrawal) Act 2019) began in the Commons in early 2019, it was suggested in some quarters that ministers could advise the sovereign to refuse royal assent to an Act agreed upon by parliament. The same argument re-emerged six months later in relation to the Benn-Burt Act (the European Union (Withdrawal) Act (No. 2) 2019), which Boris Johnson insisted on referring to repeatedly as the ‘Surrender Act’. But, despite these theoretical arguments, subsequent events appear to have confirmed that this concept of a royal veto is definitely a dead letter. Queen Anne was the last sovereign to decline the royal assent to an Act passed by parliament – in 1707 (or 1708 if you prefer to apply retrospectively the change of the new year from 25 March to 1 January in 1752). 

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