Section 409A of the tax code governs nonqualified deferred compensation — any arrangement where you earn compensation in one year but a company pays it out in a later year, outside of a qualified plan like a 401(k). Executives, founders with earnout agreements, and employees with deferred bonus plans run into it constantly, and the penalties for getting it wrong are unusually harsh: they land on the employee, not the employer.
What Actually Falls Under 409A
409A covers a wide range of arrangements beyond formal deferred-comp plans: employment agreement severance provisions, equity awards like stock appreciation rights and certain restricted stock units, earnout payments tied to a business sale, and supplemental executive retirement plans. Deferral elections must generally be made before the close of the tax year preceding the year the services are performed — for a calendar-year employee, an election to defer 2027 salary has to be locked in by December 31, 2026. There is a narrow exception for a “first year of eligibility,” which allows a new plan participant 30 days from becoming eligible to make an initial election.
Payment Timing Is Rigid by Design
409A only allows deferred compensation to be paid on six permissible triggers: a fixed date or schedule set when the deferral election is made, separation from service, disability, death, an unforeseeable emergency, or a change in control of the company. Once the payment schedule is set, it generally cannot be accelerated or delayed without violating the rules — even an employer trying to be generous by paying early can trigger a violation.
The Six-Month Delay for Specified Employees
If you’re a “specified employee” of a publicly traded company — generally an officer whose annual compensation exceeds the IRS threshold, adjusted for inflation each year, capped at the top 50 officers — your deferred compensation cannot be paid out until six months after you separate from service, or your death if earlier. This rule exists specifically to prevent executives from timing distributions around insider information.
The Penalty for a Violation Is Severe, and It Hits the Employee
If a plan violates 409A on even one technical requirement, the consequences don’t fall on the company that drafted the plan — they fall on the employee who was supposed to benefit from the deferral. The entire deferred balance becomes immediately taxable, a 20% additional penalty tax applies on top of regular income tax, and the IRS charges interest retroactive to the year the compensation was first deferred (or would have been taxable without the deferral). This is why founders and executives negotiating earnout or severance language should have it reviewed for 409A compliance before signing, not after a payment dispute surfaces the problem.
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Related reading: RSU Taxation 2026 and ISOs vs. NSOs.
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