Jean-Claude Juncker has said he would work towards the introduction of a minimum social wage in each member state of the European Union.
The Designated European Commission President has been addressing European Parliament before a vote on his nomination to replace Jose Manuel Barroso as head of the European Commission.
Juncker previously said he favours each EU country setting a minimum wage as a proportion of its own median income, which varies enormously between Luxenbourg at the top and Romania and Bulgaria at the bottom.
More top news
The chancellor now faces the prospect of forming a minority government or calling for a snap election.
The 73-year-old said a return is unlikely "given the politicised atmosphere that seems to have afflicted our set."
Chancellor Philip Hammond said the UK will make a financial proposal to the EU in the next three-and-a-half weeks.