Any violation of tax law by taxpayers and withholding agents does not fall within the scope of confidentiality.

纳税人、扣缴义务人的税收违法行为不属于保密范围。

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Tax authorities at a lower level shall report to tax authorities at a higher level or relevant department upon discovering any violation of tax law by tax authorities at a higher level.

下级税务机关发现上级税务机关的税收违法行为，应当向上级税务机关或者有关部门报告。

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Tax authorities at a higher level shall promptly rectify any violation of tax law by tax authorities at a lower level upon discovery.

上级税务机关发现下级税务机关的税收违法行为，应当及时予以纠正；

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For Republicans, the bill includes the bitter medicine of the first income-tax rate increase since 1993, a violation of the anti-tax orthodoxy that has defined their party.

WSJ: U.S. Budget Compromise Deal Reached

We never have classified as a tax an exaction imposed for violation of the law, and so too, we never have classified as a tax an exaction described in the legislation itself as a penalty.

WSJ: ObamaCare and the Power to Tax

The investigation focused on a violation of federal tax laws intended to prevent tax-exempt borrowers, like PHEAA, from profiting from bond proceeds.

FORBES: IRS Taps Student Loan Agencies