She is expected to ask parliament to reaffirm its support for her plan to try and renegotiate the part of the deal relating to the future of the Ireland-Northern Ireland border.
She has said she wants to bring a revised deal back to parliament for a vote "as soon as possible" but has not yet set a date for doing so.
With just seven weeks to go before Brexit, it's not just United Kingdom politicians who are bitterly divided over the country's withdrawal from the European Union - large banks are also at loggerheads.
Shadow Brexit Secretary Sir Keir Starmer [PA Wire] However, MPs are now set to be promised another vote if a new deal hasn't be struck by 27 February, where they will also be able to make suggestions - including extending the Article 50 deadline.
She will ask MPs for more time to get changes to the deal in talks with Brussels - but Labour has accused her of "cynically" running down the clock. It is likely that many amendments similar to those debated on January 29 will be proposed, including attempts to shift control of the process away from government and give parliament a chance to define Brexit. "There needs to be a day when Parliament says that's it, enough is enough". Lawmakers will then debate the subject on Thursday.
Ms Fairbairn told Sky News" Sophy Ridge On Sunday that firms were already planning "price increases and job reductions' in response to a no-deal Brexit.
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But in an effort to see off attempts to bind the Government's hands, Downing Street is promising another opportunity to table amendments - which are likely to include measures aimed at taking a no-deal Brexit off the table - on February 27.
The UK is set to leave the European Union on 29 March.
If London and Brussels manage to reach a deal for an orderly Brexit, the bilateral agreements between Switzerland and the European Union will continue to apply to Britain until the end of the transition period, the statement said.
The UK and Switzerland have signed a deal to continue trading after Brexit as they did before it.
Wasn't the prime minister supposed to be bringing back a "new" deal with the European Union this week? The backstop is the main obstacle to securing agreement on the terms of Britain's withdrawal from the EU.
But May's office published her reply to Corbyn late on Sunday, showing little appetite for a U-turn which would risk splitting her fractious party by ruling out the scope for Britain to strike its own trade deals around the world.