Labour would seek to take power without an election if Theresa May’s Brexit deal is rejected by Parliament.
Shadow Chancellor John McDonnell said he expects the Prime Minister to seek more concessions from Brussels if she loses the meaningful vote on her draft deal next month.
But if she presses on with the legislation a second time and can’t command a majority in the house, Labour would ask for the opportunity to try and form a minority government with support from other parties.
It comes after the government accepted a string of opposition amendments to its Finance Bill to avoid embarrassing defeats in the Commons on Tuesday night.
The Queen should ask Jeremy Corbyn to form a government if MPs vote down Theresa May’s Brexit deal, John McDonnell has said.
The shadow chancellor claimed that, according to the UK constitution, Labour must be offered the chance to govern if Ms May is no longer able to command a majority in the Commons.
Until now, Labour’s policy has been that a general election should be triggered if the government’s proposed withdrawal agreement is rejected by parliament, but Mr McDonnell admitted this would be “difficult” to bring about.