Following a successful vote of no confidence in the government, I would then, as Leader of the Opposition, seek the confidence of the House for a strictly time-limited temporary government with the aim of calling a general election, and securing the necessary extension of Article 50 to do so.
The letter comes as Prime Minister Boris Johnson threatens to suspend Parliament and push through a no-deal Brexit on October 31.
According to Brendan Donnelly, Director of The Federal Trust and a former Conservative MEP, the only way this could be done would be by bringing down the Johnson government through a vote of no confidence in early September and installing a government of national unity in its place.
He said that while he believed Johnson wanted a deal, "there are other people around him whose agenda is different" an apparent reference to advisers such as Dominic Cummings, one of the architects of the country's 2016 decision to leave the EU.
Corbyn's overture was welcomed by the Scottish National Party, but rejected by the Liberal Democrats and the Welsh nationalists of Plaid Cymru.
Jeremy Corbyn's letter to MPs. The former chancellor took to Twitter to reply, recalling that he voted three times in favour of the Withdrawal Agreement negotiated by Theresa May and can not be accused of undermining Brexit.
Hammond said he was confident parliament, where a majority oppose a no-deal Brexit, would find a way to block that outcome.
She does want to oust Johnson through a no-confidence motion and install an emergency government.
The British government was embarrassed earlier this year after it signed a 14 million pound contract with a company to provide extra ferries in the event of a no-deal Brexit, even though the company did not have any ships.
Meanwhile, the man who was Britain's top finance official until three weeks ago accused Johnson's Conservative government on Wednesday of steering the country toward a damaging no-deal Brexit that isn't backed by Parliament or the voters.
Shadow education secretary Angela Rayner criticised Ms Swinson for saying she wouldn't support a Corbyn-led government, accusing her of "political point-scoring".
If he wins a no-confidence vote in the government, the Labour leader plans to delay Brexit, call a snap election and campaign for another referendum. His proposal confirms that he wouldn't allow Labour MPs to support any other such government.
Why does Jeremy Corbyn want this to happen?
He said he hoped his proposal to lead a caretaker government could "halt the serious threat of No Deal, end the uncertainty and disarray, and allow the public to decide the best way ahead".
Grieve, a supporter of a second referendum, has been orchestrating these efforts from holiday in Brittany, France, and has indicated he could be willing to vote down Johnson's administration if other parliamentary means do not work. It aims to block any suspension of Parliament to allow the clock to tick down and see the United Kingdom leave the European Union with no deal by default.
Conservative lawmaker Alistair Burt, a former foreign office minister who is opposed to a no-deal Brexit, said he could not support the Labour Leader.