Title 26 › Subtitle Subtitle F— Procedure and Administration › Chapter 68— ADDITIONS TO THE TAX, ADDITIONAL AMOUNTS, AND ASSESSABLE PENALTIES › Subchapter B— Assessable Penalties › Part I— GENERAL PROVISIONS › § 6707A
If you leave required information about a reportable transaction off your tax return or statement, you owe a penalty. A reportable transaction is one the IRS has flagged as having potential for tax avoidance or evasion; a listed transaction is one the IRS has specifically identified as a tax avoidance deal. The penalty is 75 percent of the tax decrease the transaction showed (or would have shown) on your return. It is capped at $200,000 for a listed transaction ($100,000 for an individual) and $50,000 for other reportable transactions ($10,000 for an individual), with a floor of $10,000 ($5,000 for an individual). The IRS Commissioner can cancel some or all of the penalty, but only for transactions that are not listed transactions and only if doing so promotes compliance; that decision cannot be challenged in court. This penalty stacks on top of any other penalties you owe.
Full Legal Text
Internal Revenue Code — Source: USLM XML via OLRC
Legislative History
Reference
Citation
26 U.S.C. § 6707A
Title 26 — Internal Revenue Code
Last Updated
Apr 6, 2026
Release point: 119-73