IRS Chief Says Agency’s High-Profile Mistakes Are Behind It

Internal Revenue Service Commissioner John Koskinen speaks to the media during a visit to the Miami office at the Claude Pepper Federal Building on July 31, 2014 in Miami, Florida.

Photo by Joe Raedle/Getty Images

The IRS has fixed its errors, such as improper extra scrutiny of Tea Party groups, and they won’t happen again, the tax agency’s commissioner said Tuesday.

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