But party leader Arlene Foster said any moves which did make Northern Ireland different from the rest of the United Kingdom would be unacceptable to the party.
He will also meet Michel Barnier, the European Union's chief negotiator, along with Xavier Battel, Luxembourg's Prime Minister. But last week, MPs passed a bill which would force him to do just that, if a deal isn't signed by October 19.
Speaking at a lecture in London, John Bercow said the "limitations of the rulebook" will not stop Parliament blocking the Prime Minister disobeying the law.
With the PM saying he would rather be "dead in a ditch" than ask Brussels for a delay to Brexit past the Halloween deadline, there have been fears Mr Johnson may refuse to do so.
Mr Bercow, during a speech for the Bingham Centre for the Rule of Law, said the Brexit chaos has opened him to the idea that the United Kingdom may need a written constitution.
If the Government comes close to disobeying the Act, the MP said that Parliament "would want to cut off such a possibility and do so forcefully".
The Benn Act was pushed through Parliament by opposition MPs and Tory rebels in a series of devastating defeats during Mr Johnson's early days as leader.
Despite Mr Johnson's upbeat assessment, Downing Street sources played down the prospect of a breakthrough, cautioning there was still "a long way to go".
"I can not tell you objectively whether contacts with the Government of Mr Johnson will be able to reach an agreement by mid-October", he said.
"Maybe get back to parliament?" continued the protester.
Earlier this week, a Scottish court ruled the prorogation was unlawful as it was motivated by an "improper objective of stymieing Parliament". "The High Court in England plainly agrees with us but the Supreme Court will have to decide".
Judge Lord Carloway said the "true reason" for the suspension was to reduce time for "Parliamentary scrutiny of Brexit" in a "clandestine manner".
France says Libra will not be allowed in Europe
LEGAL LIMBO Meanwhile, European Union authorities are sending Facebook a clear message that Libra is not welcome in Europe. The Libra Association hopes to make Libra available by June 2020.
How Arsenal Transfer News Affect Their Odds to Win?
Other players rumored to be destined for Arsenal include; Sokratis Papastathopoulos, from Borussia Dortmund, and Saul Niguez. If they are rumored to buy an elite player, during the transfer window, they play well which increases the odds of winning.