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IRS places two top staffers on administrative leave

Two senior IRS staffers have been put on administrative leave for accepting free food and "other items" at a conference, two congressional sources told NBC News.

Amid newfound scrutiny of the tax agency's actions following revelations that it had targeted conservative-sounding groups for extra scrutiny, the IRS put the two staffers in the office in charge of implementing health care reform on leave.

The IRS informed multiple congressional staffers that two senior members of the team now in charge of implementing the Affordable Care Act have been removed from their positions, after having allegedly accepted $1,100 in free food and "other items" during a 2010 conference.

Sources say this action stems from the top-to-bottom comprehensive review of the agency promised by new Acting IRS commissioner Danny Werfel. That report is due at the end of the month.

Other IRS officials have faced disciplinary action as a result of the targeting misconduct. Steven Miller, the former acting IRS chief, resigned last month. And Lois Lerner, the official in charge of the IRS office of tax-exempt organizations who invoked her Fifth Amendment rights against testifying before Congress, has also been placed on administrative leave.

NBC's Michael O'Brien contributed.