U.S. Treasury Disputes Finding That New IRS Funding Would Increase Middle-class Taxes

As a political messaging war rages over $80 billion in new Internal Revenue Service funding, a U.S. Treasury official is pushing back on an informal estimate that the money could cause Americans earning less than $400,000 to pay as much as $20 billion more in taxes over a decade.

Republicans have seized on the Congressional Budget Office (CBO) estimate, claiming Democratic President Joe Biden's recently enacted, sweeping tax, drugs and climate law would break his pledge not to increase taxes on middle-class Americans.

Republicans are also claiming the funding will...