The hon. Gentleman is spot on, and I shall come on to that point in a minute. It is premature, because it is tying Parliament’s hand on not just the future relationship, but the question of oversight of the future of the immigration system.
Free movement has been fantastic for people in this country and across the continent. As all the research shows, it has been good for our economy and for our public finances. That is true for Scotland and for the UK as a whole, and we will not support a Bill that brings those benefits to an end.