Matt Hancock has denied reports that he broke the government's 10pm drinking curfew.
The Mail on Sunday claimed the Health Secretary breached restrictions introduced by the government to help halt the spread of coronavirus.
Hospitality operators have had their opening hours restricted from since September 24 and was part of a range of new measures announced by the Prime Minister.
The newspaper reported Mr Hancock arrived at the Commons bar just before a 9.40pm vote, ordered a glass of white wine and joked: "The drinks are on me – but Public Health England are in charge of the payment methodology so I will not be paying anything."
The Health Secretary's spokesman insisted the minister had not broken curfew rules.
He said: "The proposed timeline of events is false and no rules have been broken.
"The Secretary of State was in the smoking room prior to the vote that evening. The Secretary of State left the smoking room to vote. The vote took place at 9.42pm.
"The Secretary of State then departed the parliamentary estate to go home."
A government spokesman was also forced to deny claims that Mr Hancock had been excluded from some high level meetings regarding the Covid-19 outbreak.
They told the PA news agency these reports were "totally false".
The latest claims come as much of the north of England prepare to be put under the highest level of restrictions when a new three tier system is launched on Monday.
The Prime Minister Boris Johnson is set to outline the new "traffic light" system of restrictions with measures expected to force pubs and restaurants shut across Greater Manchester and other northern areas.
