President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE's recent pledge for another round of tax cuts after the midterms have come as a surprise to White House aides, who were not aware of any plan, Politico reported Monday.

Trump since Saturday has twice pledged a tax cut for the middle class, but Politico reported that no White House officials knew the details of such a tax cut or had seen a policy proposal related to one.

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Trump first promised the tax cut while speaking to reporters Saturday in Nevada, when he said it would happen "just prior to November."

“We are looking at putting in a very major tax cut for middle-income people. And if we do that it will be sometime just prior to November,” he said.

One senior White House official told Politico on Sunday that they had no idea what Trump was talking about and hadn't previously heard of the proposal.

“I guess I’ll hear about it when I get to work on Monday,” the official told Politico.

Trump doubled down Monday on the pledge, telling reporters at the White House that the tax cut would be for "middle-income people" and not for businesses.

"We're doing it now for middle-income people. This is not for business, this is for middle," Trump said, adding that "we'll do the vote after the election."

The president also said he would put forth a proposal within the next two weeks.

Trump's claim of an upcoming tax cut caused some confusion given that the House is out of session and won't reconvene again until mid-November.