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Story summary
- Frank Bisignano, IRS chief executive, was accused by former taxpayer advocate Nina Olson of deliberately withholding tax data.
- Barry Johnson said law permits the IRS, not the Treasury Department, to decide when to release data.
- Barry Johnson called the withholding unusual and warned it could embarrass the IRS if it shows tax-burden shifts.
- The data would detail tax breaks by income bracket and taxes paid by each group.