Labor said expired government documents "confirm their worst fears" about plans to reduce workers' rights after Brexit.
Documents leaked by the Financial Times say that making commitments to workers' rights and the environment in the Brexit deal "leaves room for interpretation."
Labor stated that it was a "plan" to end "vital rights and protections".
But Business Minister Quesy Quarten said the allegations were "exaggerated". [1
In Mr Johnson The Brexit Deal, the references to a level playing field – the idea that the UK and the EU adhere to their rules and standards to prevent a person from trying to gain a competitive advantage were removed from legally binding withdrawal a  Instead, they were released in a non-binding "political declaration" that outlines the potential future relations between the UK and the EU.
According to the FT, the leaked document says the UK and EU's interpretation of the pledge of "equality" will be "very different" and the text "a much more open starting point" for negotiating a future trade deal.
Supposedly drafted by Brexit, the document runs counter to promises. from the premier on Wednesday that the UK is committed to the "highest possible standards" for the environment and workplace rights.
Comes when EU leaders consider deciding on a new Brexit deadline after agreeing to extend a principle after the UK government has acknowledged that it cannot meet its October 31 deadline.
The document will raise concerns among some of the EU that Boris Johnson plans to turn the UK into a low-tax Singapore economy and a light regulation that could compete with Europe by potentially reducing rights.
"Better than our word"
Proposals that workers' rights can be reduced will also raise concern among Labor MPs, 19 of whom vote in favor of resignation. The draft agreement will make progress in the House of Commons.
Brexit Labor Minister Jenny Chapman said the documents "confirm our worst fears".
She said: "Boris Johnson's Brexit is the cornerstone of a deregulated economy that will see life's rights and protections shattered. "
The Brexit department said it did not recognize the document.
And business minister Quesy Quarten told the BBC that the allegations were" completely crazy "after the government worked to win the support of Labor MPs.
] "It will make no sense at all to undermine workers 'rights in
" We said we would be better than our word. We said that our ambition to secure workers' rights would be stronger than passing the bill . "  A spokesman for Brexit said the government "has no intention of lowering workers' rights or environmental standards after leaving the EU."
He said the UK was already exceeding minimum standards in areas such as maternity leave, shared parental leave and greenhouse gas emissions targets.