Rebel Remoaners including Ken Clarke, Dominic Grieve, Nicky Morgan and Anna Soubry have argued Parliament must retain the right to tell the Government to get a better Brexit deal if the one brought to the table is not satisfactory.
Because the Prime Minister has only a razor-thin majority of 16, the move puts her in a dubious position.
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Rebel leader Tory MP Neil Carmichael told the Mail on Sunday it was “illogical” to have a Commons vote on any Brexit deal after two years of negotiations, but no vote if there was no deal.
He said: “Parliament must have a final say when we get to the endgame.
“We could be faced with the prospect of leaving the EU by ‘falling off a cliff’ – as some have described leaving with no deal – with potentially disastrous economic consequences.
Neil Carmichael is leading a potential revolt against the Prime Minister on Brexit.
The MP for Stroud added: “To argue that MPs can have a say if we achieve a deal, with all the safeguards implied by it, but no say if we walk away with none of these, defies all logic.
“If that occurred, it would be even more important for MPs to be able to vote for or against it.”
Anna Soubry, who has been one of the most vocal critics of Brexit within Tory ranks since the referendum campaigns last year, backed Mr Carmichael’s argument.
Anna Soubry has been an outspoken critic of Brexit since the referendum last year.
Ken Clarke is among the MPs threatening to back the motion.
She said: “It is essential that MPs get a say when the negotiations are over. Some Brexiteers would be happy to force the Prime Minister to walk away with no deal and no thought to the consequences for the country.
“Sensible voices inside the Government know it would be a mistake to rush this.”
But Government ministers have accused the rebels of undermining the Prime Minister’s negotiating tactics.
Theresa May's Brexit plan Mon, January 16, 2017
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Continued cooperation with the EU to tackle terrorism and international crime.
One told the Mail: “If we tell the EU we will walk away if they don’t make concessions, but they know Parliament can make us go straight back again, it gives us zero leverage.
“This is just another obstacle put up by people who are unable to accept that Brexit means Brexit.”
Tory rebels, along with Labour MPs, Lib Dems and Scottish Nationalists are ready to back an amendment tabled by Labour’s Chris Leslie.
Mr Leslie said: “No one doubts that Brexit will go ahead. But it is crazy for Mrs May to say she will consult Parliament if she gets a deal but not if she doesn’t.”
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