Mr Trump has remained defiant even as he faces increasing pressure from members of his own party to concede defeat in the United States election Mr Biden won by 6 million ballots.
It remains unclear whether the process in MI will work as state law dictates.
Chatfield was among seven Republican legislators who met with Trump for about an hour in the White House on Friday. Ron Klain, the incoming White House chief of staff, declined on ABC's "This Week" to identify which appointments Biden would announce starting Tuesday; Biden last week said he'd selected a nominee for Treasury secretary.
Jen Psaki, a senior advisor to Biden's transition team, said on CNN's "State of the Union" that legal action to compel the GSA to recognize Biden "isn't our preference".
Joe Biden will unveil his first Cabinet picks Tuesday, his chief of staff said Sunday, a tangible sign that a new administration is moving ahead despite President Trump's continuing efforts to stymie it and to overturn the election result.
It also reported that Twitter will meet transition officials for Biden and the projected vice president, Kamala Harris, in the coming months to discuss the particulars of how the new administration will use Twitter.
Cheney demanded that Trump respect "the sanctity of our electoral process" if he can not prove his baseless claims of widespread voter fraud in a statement issued Saturday. Russia, he said, "really doesn't care who wins our elections, as long as a large number of Americans doubt the legitimacy of the result".
In his ruling, Brann described Trump's case as "strained legal arguments without merit and speculative accusations", characterizing the incumbent USA president's lawsuit as "Frankenstein's monster". After the meeting, they said they saw no evidence that would lead them to intervene.
"It's corrosive, it's harmful, but... it's not going to change the outcome of what happens here at 12 noon on January 20: Joe Biden will become the next president of the United States".
On the eve of deadlines in the key battleground states of MI and Pennsylvania to certify their vote outcomes, a few prominent Republicans again urged the president to abandon his chaotic crusade, now in its third week of near-daily setbacks in courtrooms and election offices across the country.
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Toomey, R-Pa, said in a statement he knows Judge Matthew W. Brann, a longtime conservative Republican, to be a "fair and unbiased jurist". "No one has come up with any evidence of fraud or abuse".
On Friday, Maricopa County officials certified results that showed Joe Biden won the state. "Those will be officially tabulated or should be tomorrow".
Get ready to turn over the keys, she concluded.
Pennsylvania and MI look to certify their votes on Monday. "Their Cabinet and the team will look like America, so that means diversity of ideology, and he wants to have a range of views of people at the table".
"The proof pouring in is undeniable", he tweeted Saturday, when he also golfed.
Biden has continued his preparations to assume the presidency on January 20 regardless of Trump's moves - increasingly dismissed by - to try to undo the results of the November 3 vote. Trump was later acquitted by the Senate.
"To ensure that he is remembered for these outstanding accomplishments, and to help unify our country, President Trump should accept the outcome of the election and facilitate the presidential transition process", Toomey said.
While most Republicans continue to either publicly back Trump's efforts or remain silent, a steadily growing chorus is imploring him to concede the election and assist with the transition to Biden's administration.
"It's past time to start a transition, to at least cooperate with a transition", Cramer said.
"We ran a very effective and, I think, engaging Democratic Convention this year in August, in a way that was safe for the people to participate and watch it in a way that communicated with the American people", he noted.