The Section 4958 excise tax is an IRS penalty on insiders of tax-exempt organizations who receive more than fair market value in a transaction with the organization. The disqualified person who got the excess pays 25% of the excess amount, managers who knowingly approved the deal pay 10%, and if the excess isn’t repaid in time a second-tier tax of 200% applies. The tax falls on the individuals involved, not on the organization itself, and it applies to public charities under 501(c)(3) (excluding private foundations), social welfare organizations under 501(c)(4), and qualified nonprofit health insurance issuers under 501(c)(29).1Internal Revenue Service. Instructions for Form 4720 Private foundations are governed by separate self-dealing rules and are not covered here.
What Triggers the Tax
The tax is triggered by an excess benefit transaction: any time a covered organization provides an economic benefit to an insider that exceeds the fair market value of what the organization gets back.2Internal Revenue Service. Intermediate Sanctions The excise tax is calculated on the amount of that overpayment, not on the whole transaction. Even a modest overpayment counts.
Excessive compensation is the most common trigger. Compensation for this purpose is the full package: salary, bonuses, deferred pay, fringe benefits, and expense allowances, weighed against the market value of the services actually delivered. If a nonprofit’s executive director is paid $400,000 and comparable data supports $250,000, the excess benefit is $150,000.
Property deals are the other common category. Selling, leasing, or exchanging property with an insider at an off-market price creates an excess benefit equal to the difference. Loans from the organization to an insider draw similar scrutiny. Without proper documentation, market-rate interest, and a real repayment schedule, the IRS can treat the outstanding balance as an excess benefit.
Who Actually Owes It
The tax reaches only “disqualified persons” and, in some cases, the organization’s managers. Ordinary employees and vendors are not exposed.
A disqualified person is anyone in a position to exercise substantial influence over the organization’s affairs at any time in the five years before the transaction.3eCFR. 26 CFR 53.4958-3 – Definition of Disqualified Person That lookback matters: a board member who resigned three years ago can still be a disqualified person for a deal today. Officers, directors, and trustees always qualify. So do presidents, CEOs, COOs, treasurers, and CFOs by title alone. Highly compensated employees whose pay depends on revenue from activities they control are also treated as having substantial influence.4Internal Revenue Service. An Introduction to IRC 4958 (Intermediate Sanctions)
The status also extends outward. Spouses, ancestors, children, grandchildren, great-grandchildren, and the spouses of those descendants are treated as disqualified persons. Siblings are not. Entities that disqualified persons collectively control by more than 35% are also swept in, so a deal with an insider’s company gets the same scrutiny as a direct deal with the insider.3eCFR. 26 CFR 53.4958-3 – Definition of Disqualified Person
Organization managers are a separate category. A manager is any officer, director, or trustee, or anyone with similar authority, and only faces the tax if they knowingly approved the transaction and their participation was willful and not due to reasonable cause.
How Much the Tax Is
Section 4958 uses a two-tier structure that rewards quick correction and punishes delay.
First-Tier Tax: 25% on the Disqualified Person
The disqualified person who received the excess benefit owes 25% of the excess amount.5Office of the Law Revision Counsel. 26 US Code 4958 – Taxes on Excess Benefit Transactions On a $150,000 excess benefit, that’s $37,500. Intent is irrelevant at this stage. If the IRS determines the benefit exceeded fair value, the tax applies.
10% Tax on Knowing Managers
Managers who knowingly approved the transaction pay 10% of the excess benefit.5Office of the Law Revision Counsel. 26 US Code 4958 – Taxes on Excess Benefit Transactions Each manager’s personal exposure is capped at $20,000 per transaction. If three board members knowingly approved a deal with a $500,000 excess benefit, the 10% tax is $50,000, split among them, and no one owes more than $20,000.
Second-Tier Tax: 200% If Not Corrected
If the disqualified person fails to correct the transaction within the taxable period, a second-tier tax of 200% of the excess benefit applies.5Office of the Law Revision Counsel. 26 US Code 4958 – Taxes on Excess Benefit Transactions Stacked on top of the 25%, the total reaches 225% of the excess benefit. That $150,000 example becomes $337,500 in tax, and the money still has to be paid back.
The taxable period runs from the date of the transaction until the earlier of the date the IRS mails a notice of deficiency for the first-tier tax or the date the first-tier tax is assessed.6eCFR. 26 CFR 53.4958-1 – Taxes on Excess Benefit Transactions Correct before that window closes and the 200% never attaches. Miss it and the number gets ugly quickly.
The organization itself owes no excise tax under Section 4958. A pattern of uncorrected excess benefit transactions can still lead the IRS to revoke exempt status under other Code provisions.2Internal Revenue Service. Intermediate Sanctions
How to Correct and Avoid the 200%
Correction means putting the organization in the financial position it would have been in if the excess benefit had never happened. The standard approach is a cash repayment of the full excess amount plus a reasonable rate of interest running from the date of the transaction to the date of repayment. If the organization incurred related costs, such as legal fees or penalties, correction may need to cover those too.
When the original benefit was property, the disqualified person can return the specific property with the organization’s agreement, valued under the rules at 26 CFR 53.4958.7Internal Revenue Service. Intermediate Sanctions – Excess Benefit Transactions Any shortfall is paid in cash.
Both sides should document the correction in their financial records. The disqualified person reports the transaction and calculates the tax on Form 4720. Each taxpayer who owes a Chapter 42 excise tax now files a separate Form 4720; individuals can no longer report their tax on the organization’s return.1Internal Revenue Service. Instructions for Form 4720 Form 4720 is generally due by the due date of the filer’s annual return. If the filer’s taxable year differs from the organization’s, it’s due by the 15th day of the fifth month after the end of the filer’s taxable year.8Internal Revenue Service. Form 4720 – When to File
Avoiding the Tax Up Front: The Rebuttable Presumption
The strongest protection against a Section 4958 claim is built before the transaction closes. When an organization follows a defined three-step process, the transaction is presumed reasonable, and the IRS must prove otherwise rather than the organization proving it was fair. That shift in burden of proof makes a real difference in an audit.
All three steps are required.9Internal Revenue Service. Rebuttable Presumption – Intermediate Sanctions
First, the compensation or property transaction must be approved in advance by an authorized body, usually the board of directors or a compensation committee, and every voting member must be free of conflicts of interest regarding the deal. A member is conflicted if they are the disqualified person, related to that person, or under that person’s control. One conflicted vote breaks the presumption.
Second, the authorized body must obtain and rely on appropriate comparability data before approving the terms. For compensation, that means surveys for similar positions at similarly sized organizations, documented competing offers, or independent consultant analyses. For property, an independent appraisal is the standard. The data has to be on the table and actually used, not gestured at.
Third, the body must document its decision concurrently, meaning by the later of the next meeting or 60 days after the final action.10eCFR. 26 CFR 53.4958-6 – Rebuttable Presumption That a Transaction Is Not an Excess Benefit Transaction The record must include the terms, the date, who was present, the comparability data reviewed, and any recusals.
Skip any of these and the presumption is lost. The IRS then has to show only that the payment exceeded fair market value, with no burden-shifting in the organization’s favor.
Abatement of the First-Tier Tax
Under IRC Section 4962, the IRS can abate, credit, or refund the first-tier 25% tax if the taxable event was due to reasonable cause and not willful neglect, and the excess benefit was corrected within the correction period.11Internal Revenue Service. Abatement of Chapter 42 First Tier Taxes Due to Reasonable Cause Related interest is abated with it.
Reasonable cause requires proof of ordinary business care and prudence. Not knowing the law isn’t enough. A board that hired an independent compensation consultant, reviewed comparability data, and approved a package that turned out slightly above market has a plausible argument. A board that rubber-stamped a number does not. Abatement is discretionary, and correcting the transaction is necessary but not sufficient on its own.