The other is if 15% of Conservative MPs - now 48 - write letters saying they no longer have confidence in her.
Sir Graham Brady, the chairman of the backbench 1922 committee, told BBC Radio Five Live that if he does receive the 48 letters required to force a confidence vote in the prime minister, he would not delay in announcing it - indicating there are not enough to do so.
"I will be going back to Brussels", May told Sky News television, saying she will meet European Commission chief Jean-Claude Juncker.
She told Sky's Ridge On Sunday she had not considered quitting, adding: "A change of leadership at this point isn't going to make the negotiations any easier and it isn't going to change the parliamentary arithmetic".
May said negotiations were continuing and she meant to go to Brussels and meet European Commission President Jean-Claude Juncker.
It is hard to see how the 25 November EU summit could go ahead if Theresa May were to lose a confidence vote in the next few days.
Some in the Labour Party have called for a second referendum to give the public final say on the Brexit deal.
"I know that Gibraltar has no intention of being a back door, but instead a centre of high quality financial services", Mr Barclay said at the time.
Raab said that while the agreement was "fatally flawed", it's not too late to change that.
On Saturday Andrea Leadsom, the minister in charge of government business in parliament, told the BBC that she was supporting May but was not fully happy with the deal.
In a sign the Tory civil war over Brexit is not slowing down, Middle East Minister Alistair Burt warned rebels the "consensus" that pro-EU MPs should reluctantly respect the 2016 referendum result could break down if she is toppled.
Neither May nor European leaders are keen to reopen the draft Brexit withdrawal agreement that was grudgingly approved by the British cabinet last week.
"It is very important to take the action now".
The Prime Minister's top team has reportedly threatened to walk out en masse if changes are not made to her current Brexit plan. Northern Ireland, which is part of the United Kingdom, and the Republic of Ireland are both still inside the EU's single market, so there's no need for barriers along the more-than-300-mile border.
The backstop, one of the most contentious parts of the deal, would mean Britain being trapped in "economic and political servitude" to the European Union, he said.Instead, both sides could discuss creating new unobtrusive checks away from the frontier, he said.
He will say today that Labour's plan for Brexit would include a new comprehensive and permanent customs union, and a "strong single market relationship".
The UK will now have a status that is more akin to that of Canada, Japan, and the U.S., which allows for limited access to the EU financial market, but this can be modified if both the Britsh and European authorities agree.
The emergency summit will kick-start the national ratification process in some EU countries as well as in Westminster, setting in train a process that will culminate with a vote in the European Parliament in February and finally Brexit Day on March 29 2019.
And of the divorce deal, Belgium's Foreign Minister Didier Reynders said: "Here it will survive".
This technique enabled them to detect wobbles in Barnard's star resulting from the gravitational pull of the orbiting planet. This means that astronomers are getting better at finding these kinds of planets outside our solar system.
He further added that this can be achieved by the company to "obsess over customers"-something he has said in the past as well". This week, Amazon picked its two locations for its second headquarters outside of Seattle, in NY and Northern Virginia.
Xi also made a veiled reference to a new grouping known as "the Quad" that aims to counter China's influence in the Asia-Pacific. China, meanwhile, wanted a reaffirmation of opposition to protectionism and unilateralism that it says the U.S.is engaging in.
The resolution condemns Israel for holding on to the Golan Heights, and demands Israel hand the land and its people to Syria. Israel moved settlers into the area and annexed the territory in 1981 in a move not recognised internationally.
Lieberman's far-right Yisrael Beitenu party has quit the coalition and its five MPs have withdrawn support for the government. Polls have repeatedly projected that Netanyahu's Likud party would increase its number of seats if early elections are held.
Arenado was attempting to become the Rockies' second MVP victor ; Larry Walker won the award in 1997. The 25-year-old received 28 first-place votes and two second-place votes to take home the hardware.
However, as you'll read below, not everyone's a fan of the spot, with some complaining the ad simply isn't Christmassy enough. The Guardian reported that the advert cost around £7 million to make, including an estimated six-figure fee given to John.
The Macau Grand Prix is underway, and besides the exhilarating races, some unwanted things happen due to the nature of the sport. Flörsch later took to Twitter to confirm that she was "fine but will be going into surgery tomorrow morning".
But others said the proposal restores balance in a system that had been skewed too far in favor of the accusers. This is all language that suggests the Department is working hard to brush off many cases of sexual misconduct.
Diddy Speaks on Death of His Ex-Girlfriend Kim Porter
According to a source for People , the 49-year-old rapper maintained a very positive relationship with Porter. Diddy and Porter became a couple in the '90s, producing their first child together, Christian Casey Combs.
Apple Now Sells the iPhone XR Unlocked
Apple's new iPad Pro has hit store shelves with a powerful performance that can rival, if not top, today's best notebooks. If you want to learn anything new about the iPad Pro, you can check out our previous coverage of the tablet below.
Things We Learned From WWE Survivor Series 2011
Ahead of tonight's 2018 Survivor Series PPV, take a look back at 10 of the biggest moments in the event's illustrious history. Team Smackdown (The Miz, Shane McMahon, Rey Mysterio, Samoa Joe, Jeff Hardy ) in the men's Survivor Series elimination match.
Marvel's Tribute to Stan Lee Will Make You Cry
Fans and celebrities alike have shared how much Stan Lee meant to them as well as inspired them. "You sound like a real asshat". Oh, and if you've ever wondered what the term "Excelsior" actually means but were too shy to ask, we are here to help.
Amber Rudd to return as work and pensions secretary
May vowed to press ahead with her Brexit plan on the basis of the draft agreement after days of political turmoil in the country. Leading Brexiteers in the cabinet have rallied behind May amid attempts to unseat her by Tory members of the parliament.
Sony celebrates Playstation 4 5th anniversary
To celebrate this occasion, we are also revealing a new PS4 bundle to add to our lineup, the Call of Duty: Black Ops 4 PS4 bundle. As part of its Black Friday 2018 sale, Sony is dropping the price of a PlayStation Plus subscription.