Quite right—that is what the High Court has said. It is possible, of course, that the Supreme Court will agree with the High Court and we will have to have an Act of Parliament, although if the Supreme Court disagrees with the High Court the Government can continue the way they want to, through the royal prerogative.
That is why I have introduced my Withdrawal from the European Union (Article 50) Bill. It is two clauses long. All it does is tell the Government that by 31 March they have to trigger article 50. If that Bill goes through, we will be satisfying the High Court. That Bill will get its Second Reading on 16 December unless anyone objects to it. It will then go into Committee to be discussed and come back to the House on Report. By the time it comes back to the House for Third Reading, the Supreme Court will have given its decision.