Washington (CNN) President Donald Trump continues to hold his ground against Democratic efforts to obtain his tax returns, with one administration official telling CNN that the President and his team are willing to fight the House Democratic request all the way to the Supreme Court.

"This is a hill and people would be willing to die on it," the official said.

House Ways and Means Committee Chairman Richard Neal formally requested six years of Trump's personal tax returns from the Internal Revenue Service in a letter Wednesday.

The official added that the administration is "not going to set the precedent" of turning over tax returns for future occupants of the Oval Office, slamming the House Democrat request from Neal as "abuse and overreach by Congress" and asked what's stopping Senate Republicans from seeking House Speaker Nancy Pelosi's returns.

"They have zero right to it," the official said, who added Trump has also made it clear he's not releasing his tax returns.

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