Kansas Secretary of State Scott Schwab, a Republican, forcefully pushed back on President Donald Trump's suggestion about delaying the November election and urged the Kansas delegation to reject the idea. "Delay the Election until people can properly, securely and safely vote???"
The president added: "It will be a great embarrassment to the USA".
The "Presidential Election Day Act", passed by Congress in 1845, mandates that "the electors of President and Vice President shall be appointed in each State on the Tuesday next after the first Monday in the month of November of the year in which they are to be appointed".
According to NBC News, a change in the election date means a change in the federal law and it would need to go through Democrats-controlled House of Representatives and the Republican-controlled Senate.
The idea that Trump could try to delay or cancel the presidential election, in light of the increasing probability he could lose, has been raised in the past, including by his main opponent in the race, Democratic Party presumptive nominee Joe Biden.
These states will automatically send postal ballots to all registered voters, which then have to be sent back or dropped off on election day - although some in-person voting is still available in certain limited circumstances. Five states already rely exclusively on mail-in ballots, and they say they have necessary safeguards in place to ensure that a hostile foreign actor doesn't disrupt the vote.
And Trump campaign spokesman Tim Murtaugh called Biden's claim "the incoherent, conspiracy theory ramblings of a lost candidate who is out of touch with reality".
In April, Trump said he wasn't considering the prospect of changing the election date.
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Mr Trump has increasingly sought to cast doubt on November's election and the expected surge in postal and absentee voting as a result of the coronavirus pandemic.
Can Trump Actually Legally Delay the Election?
Could the November election be delayed?
"Nothing President Trump says, does, or tweets can change that fact", he said. Even in the best of circumstances, U.S. elections are jumble of inconsistent rules (that vary by state and even county), gerrymandered districts (constituencies cartographically manipulated to get a desired outcome), and an archaic electoral college system that gives disproportionate weight and representation to thinly populated, white-majority states at the expense of nationwide popular vote. This year might be different, however, as polls have shown Republicans are now more skeptical of vote-by-mail and less likely to say they'll use it in November, the first time a partisan gap has been seen on the issue.
Trump responded to Biden's suggestion by telling reporters at the White House that "I never even thought of changing the date of the election". But a blatant attempt by Trump to deny election results would nearly certainly be rejected, even by a court with a majority of its justices appointed by Republican presidents. What makes election officials confident that it is secure?
"The President is just raising a question about the chaos Democrats have created with their insistence on all mail-in voting", said Hogan Gidley, Trump 2020 national press secretary.
Traditionally, mail-in absentee ballots have been used when people physically can't get to the polls.
"No, I'm not going to just say 'yes.' I'm not going to say 'no, ' and I didn't last time, either", Trump said.