Irrespective of individual Brexit persuasions, we can all agree the UK is teetering on the edge of a constitutional crisis. It’s crunch time. Again. And, once more, Westminster, Whitehall and the courts finds themselves front and centre.

The last fortnight has ripped up conventional wisdom. From the Government’s controversial decision to close down Parliament, to further backbench legislation compelling action against the will of the executive, laws and procedures are being stretched to their limit.

Whatever happens next – and something has to – the one thing we can be certain of is further surprises. The variables are narrowing, despite No 10’s best efforts to keep them alive.

But beyond Boris Johnson seeking an extension to Article 50, as he would be obligated to by law, if Parliament does not approve a deal or no deal before Oct 19, the unexpected could happen.

The Northern Ireland (Executive Formation) Act 2019 – which principally deals with the lack of decision making in the Northern Ireland Assembly – was amended in July with the purpose of ensuring any prorogation could not endure, even though it was deemed unlikely at the time.