I am grateful to the noble Lord, Lord Newby, the noble Baroness, Lady Hayter, my noble friend Lord Hailsham and others who have contributed to this debate. I think the key point was made by noble friend Lord Bridges: the manifesto on which my party won the election that delivered a substantial majority for this Government was absolutely explicit in ruling out any extension to the implementation period. The general election has clearly shown that the public support that vision. I say gently to the noble Lord, Lord Newby, that his party put forward an alternative vision that was comprehensively rejected by the public. This clause implements that provision. It binds the Government to this commitment by enshrining in statute that Ministers may not agree to the extension of the implementation period beyond 2020.
I reassure noble Lords that in the withdrawal agreement both sides—we and the EU—have committed to using their “best endeavours” to negotiate a future partnership. Moreover, both the EU and the UK committed to agreeing a deal by the end of 2020 in the political declaration. It is worth quoting from paragraph 135, which says that,
“it is the clear intent of both Parties to develop in good faith agreements giving effect to this relationship and to begin the formal process of negotiations as soon as possible after the United Kingdom’s withdrawal from the Union, such that they can come into force by the end of 2020.”
This clause provides both parties absolute clarity on the timetable for negotiations. This will help ensure that our negotiations can progress at pace and that we have our future relationship agreed by December 2020. It is in the interests of the UK and the EU to agree a deal that supports the flow of goods, the provision of services and business being done. That is what we are going to do.
In sum, this clause delivers on our manifesto commitment to the British public not to extend the implementation period beyond 2020.