So under the Civil Contingencies Act 2004, where there's an emergency, and various other preconditions are satisfied, regulations can be made by Her Majesty by an Order in Council.
So any compression of the timetable might lead to the irreversible consequence of there being no time to finalise an extension.
Poor schmoe.
Anyway, over to you, @BorisJohnson. cps.gov.uk/legal-guidance…