The approach that the UK courts have adopted on Northern Ireland is a little less clear but, at least for Scotland and Wales, the approach is to treat the devolution statutes the same as any other statute. The main focus is on the words of the statute understood in their context. The courts have largely, but not entirely consistently, eschewed the idea that they should read in additional interpretative principles or understandings of what the devolution statutes mean.
That approach is justified mainly on the basis that it is the most predictable and that it preserves the impartiality of the courts when they are dealing with conflicts between Westminster and a devolved legislature. That approach works well if the devolution statutes are amended only in a consensual manner. If the restrictions that are in the devolution statutes have been put in there following a considered process with the agreement of UK and devolved Governments and legislatures, that approach is defensible but, once the consensual development of the devolution statutes breaks down, it becomes an approach that inherently favours Westminster.
We saw that clearly illustrated in the UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill reference in 2018. If you remember, after the bill had been referred to the Supreme Court but before the Supreme Court decision was made, the Scotland Act 1998 was amended without the consent of this Parliament in a way that rendered a bill that had been largely within competence largely outwith competence. All that the court did was look at the words of the statute, so there was no pushback or defence that the court could offer against that shifting of the goalposts—and it was a shifting of the goalposts.
The other issue in recent years has been the use that the Supreme Court has made of section 28(7) of the Scotland Act 1998. As you know, that says that the power of Westminster to continue to make laws for Scotland is unaffected. We used to think that that was a purely declaratory provision that had no significance at all. However, according to the Supreme Court in the UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill reference and the references of the United Nations Convention on the Rights of the Child (Incorporation) (Scotland) Bill and the European Charter of Local Self-Government (Incorporation) (Scotland) Bill, that section acts as an additional constraint on devolved competence.
It is very difficult to understand how the court gets to that position, but it seems to be relying on what it says it should not be doing, which is the reading-in of things that are not in the Scotland Act 1998. One of the difficulties is that, say, in the UNCRC case, the court objected to this Parliament trying to impose interpretive duties on UK legislation in devolved areas. There is no doubt that this Parliament can repeal or amend UK legislation in devolved areas, so it is difficult to understand why you should not be able to say, “Well, we want the courts to read UK legislation differently.” In effect, it is an amendment process by a different route. The court, however, was not prepared to allow that and seemed to be relying on reading into the Scotland Act 1998 a non-delegation doctrine. It did not say so explicitly, but that seems to be what is going on there.
The courts are, therefore, not consistent in that approach of relying purely on the wording of the statute—they have a set of background constitutional principles in mind. You may also remember the AXA case, in which the Supreme Court held that, at common law, Holyrood was subject to certain constitutional constraints—rule of law and human rights constraints. Therefore, there is some supplementing going on, but it concerns a set of constitutional assumptions, principles or values that are not specifically tailored to devolution.
I am suggesting that it may now be necessary to require the courts to pay attention to the specific constitutional context and requirements of effective devolved lawmaking. To go back to the UNCRC case, for instance, the Supreme Court was very concerned about maintaining the effectiveness of the UK Parliament’s ability to legislate in devolved areas, free from any kind of constraints—political constraints or whatever—imposed by the devolved legislatures. However, it did not have any apparent concern for the effectiveness of the Scottish Parliament’s lawmaking.
In the context of the UNCRC case, if you limit the application of the UNCRC to devolved legislation affecting children, you are missing out large parts of the devolved statute book, so you are creating a problematic patchworky approach. That concern for good devolved lawmaking was absent from the Supreme Court’s decision.
Similarly, in the case of the UK Withdrawal from the European Union (Legal Continuity) (Scotland) Bill reference, the court objected to this Parliament trying to impose a consent requirement on UK ministers when they are making delegated legislation in devolved areas. Again, the court saw that as placing limits on the effective exercise of the UK Parliament’s legislative competence. That is not really what it was about; it was about ministerial lawmaking, which is not sovereign. It is about the ability of the devolved institutions to try to maintain some control over what happens in the devolved policy space. As you know—the committee made this point in previous reports—the ability of this Parliament to have any kind of scrutiny function in relation to UK ministerial powers is entirely dependent on the quality of consent or consultation required with the Scottish ministers. Again, there is no concern for good governance at the devolved level.
That is what motivated the recommendations that I made. The courts need to be forced to take account of good governance at the devolved level and to not see devolution purely through a traditional Westminster-centric constitutional lens.
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