The hon. Gentleman is quite right in one respect: that is clear Government policy. That is, in fact, the decision that was taken by the British people last year. They wanted to leave the European Union, which means leaving the single market and leaving the customs union. That point is clear. I know it is confusing for Labour Members, because their deputy leader appears to have a different view from the rest of the party.
Let me make some further progress after that rather silly intervention. The Bill also contains a limited power to implement the withdrawal agreement by statutory instrument if that proves necessary.