London, Oct 21 (UNI) A new version of the Brexit deal has been agreed between the EU and UK.
For the first time this century, MPs sat in the House of Commons on a Saturday to debate it, said a BBC News report.
The new deal replaces the Northern Ireland backstop with special arrangements for Northern Ireland that will prevent a hard Irish border.
There is also a new political declaration, which sets out proposals for the long-term future relationship between the UK and the EU.
What is Boris Johnson's new deal with the EU?
A key amendment from MP Sir Oliver Letwin has passed. It means that any support MPs give to the Brexit deal is withheld until legislation to implement the deal has been passed by MPs and Lords.
Mr Johnson has now - compelled by the so-called Benn Act - sent a letter to the EU to request a three-month delay to Brexit.
But Mr Johnson did not sign the letter. He then sent a follow-up one, which he did sign, saying that he does not think there should be an extension.
Leader of the House of Commons Jacob Rees-Mogg has said the government plans to hold a meaningful vote on Monday. It's not clear whether the Speaker will allow that to go ahead - he could rule it would be out of order.
Another option is for the government to press ahead with legislation to implement the deal next week. That could also remove the need for a separate meaningful vote.
The EU will now consider Mr Johnson's letter.
All 27 EU nations must agree to an extension. The EU does not have to give an immediate answer.
If the EU refuses to grant the UK a delay to Brexit, then Parliament has until 31 October to pass a deal and the associated legislation.
The default position is still that the UK will leave the EU on 31 October at 23:00 GMT.
And if MPs vote in favour of the deal, but the subsequent implementation legislation does not pass, the UK would leave without a deal on 31 October.
Leaving without a deal (or withdrawal agreement) means the UK would immediately exit the customs union and single market - arrangements designed to make trade easier.
An early election is widely expected after 31 October when Brexit is currently scheduled to happen. It's unclear, though, whether that would be later this year or early next year.
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