The Biden-Harris administration, however, did not comment on the potential announcements.
'Do what needs to be done': US President Donald Trump tells officials to begin transition for next administration
Trump, who lost the November 3rd presidential elections to Biden and Kamala Harris, has yet not conceded.
In case of a recount, election officials in Georgia will have to re-scan the five million hand-recounted and audited legal ballots.
President-elect Biden leads by more than 81,000 votes in Pennsylvania, a battleground state that has 20 electoral college seats.
The state Bureau of Elections said all of Michigan's 83 counties have sent their certified results to Lansing.
White House Press Secretary did not say when Trump would concede, but said there were "very real claims" of voter fraud without identifying any evidence.
Declining to criticize Trump, Biden acknowledged Tuesday that he has not been receiving briefings 'that would ordinarily come by now as he opened his virtual meeting withnational security experts.
The president-elect and vice president-elect will meet with business and labour leaders to discuss the economic recovery and building back better in the long term, the transition said.
While caveating that Trump did have outstanding court challenges, O'Brien's comments signaled some of the firmest statements yet from a senior administration official acknowledging Biden's win.
Taking to Twitter to express his agony against the 'rigged elections', Trump said that his opponent won in the eyes of the 'fake media' and that his administration has a 'long way to go'.
Why is everyone assuming that Kamala is some sort of wand-wielding, fairy Godmother type who is going to transform the world?
Post election results, can Trump still win with 'fantasy' electors bid? Here's what Republican members say
State GOP lawmakers in Arizona, Michigan, Pennsylvania and Wisconsin have said they would not intervene in the selection of electors, who ultimately cast the votes that secure a candidate's victory.
McEnany, the White House Press Secretary, appeared for an interview on Fox Business as a senior adviser to Trump's campaign and pushed back when asked if Trump would attend Biden's inauguration.
Biden said he hopes to work with Francis on issues such as climate change, poverty and immigration.
US-China ties have grown increasingly strained in recent years under the administration of incumbent Donald Trump.