Principal Deputy IRS Commissioner Daniel Werfel testifies before the House Small Business Committee at a hearing on "The Internal Revenue Service And Small Businesses: Ensuring Fair Treatment" in Washington, July 17, 2013. One of Werfel's priorities at the IRS will be ensuring that the wealthiest Americans pay their full tax bills. President Joe Biden's pick to lead the IRS won the support of nearly every Senate Democrat, plus a handful of Republicans. "Confirming someone as qualified as Mr. Werfel as IRS Commissioner is crucial to making sure Americans take full advantage of all the tax credits we approved last year," Senate Majority Leader Chuck Schumer said Monday on the Senate floor. He later served as acting IRS commissioner in 2013.

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