California Gov. Gavin Newsom threatened to block federal tax payments from his state on Friday, escalating tensions with President Donald Trump amid reports that the White House may cut federal funding to California, Breitbart reported.

“Californians pay the bills for the federal government. We pay over $80 BILLION more in taxes than we get back. Maybe it’s time to cut that off, @realDonaldTrump,” Newsom posted on X Friday.

The constitutional authority of Newsom to withhold federal taxes on behalf of individuals, businesses, and other entities within the state appears not to be clearly defined.

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