Section 409A is a tax rule governing nonqualified deferred compensation. It generally applies when a service provider earns a legally binding right to compensation in one year that may be paid later. It does not apply to qualified plans such as 401(k) plans. A “plan” can include an employment agreement, severance provision, bonus promise, change-in-control agreement, or equity award.
Section 409A was enacted as part of the American Jobs Creation Act of 2004 and became effective in January 1, 2005. Congress introduced the rules to establish clearer standards for deferred compensation arrangements and reduce opportunities for abuse that had become more visible after several high-profile corporate bankruptcies. Today, Section 409A regulates when compensation may be deferred and paid, helping ensure that non-qualified deferred compensation plans follow consistent tax rules while protecting employees from unexpected tax consequences.
Covered arrangements may include salary or bonus deferrals, supplemental executive retirement plans (SERPs), retention awards, severance payments, and compensation payable after a transaction or termination. Discounted stock options and stock appreciation rights (SARs) may also be covered.
Exclusions include qualified retirement plans, such as 401(k) plans, and short-term deferrals paid within the applicable 2½-month period after compensation is no longer subject to a substantial risk of forfeiture. Nonstatutory stock options generally fall outside the rule when the exercise price is at least the stock’s fair market value on the grant date and no additional deferral feature exists.
A 409A valuation estimates the fair market value of a private company’s common stock. Companies use it to set a supportable option exercise price and reduce the risk of discounted deferred compensation treatment.
Companies typically obtain a 409A valuation before granting stock options and update it after a material event that could affect the company’s value, such as a financing round, acquisition offer, major business milestone, or other significant corporate development. Under the IRS safe harbor, an independent valuation is presumed reasonable if it is no more than 12 months old and no material event has occurred since the valuation date.
The analysis may consider enterprise value, capital structure, preferred-stock rights, and Discounts for Lack of Control and Marketability.
When a covered plan fails in its written terms or operation, vested deferred amounts from current and prior years may become taxable to the employee. The employee may also owe an additional federal tax equal to 20% of the includible amount, plus premium interest from the year the compensation should have been taxed.
The company may face reporting, withholding, payroll-tax, deposit, correction, and employee-relations consequences. The employee may owe tax before receiving cash.
The written plan should specify the amount or formula, payment form, payment schedule, and election rules. An initial election generally must be completed before the related service year, subject to exceptions.
Payments usually may occur only upon separation from service, disability, death, a fixed date or schedule, a qualifying change in control, or an unforeseeable emergency. Acceleration is generally prohibited, and later deferrals face additional timing rules. Strong 409A compliance requires legal documents, board approvals, payroll records, and payment practices to agree. An F Reorganization should prompt review of outstanding options, issuer identity, plan terms, and valuation support.
It can. A nonstatutory stock option falls outside Section 409A when its exercise price equals or exceeds fair market value on the grant date and it contains no prohibited deferral feature. Discounted options, extensions, or certain modifications may become covered.
The principal income inclusion, additional 20% federal tax, and premium interest generally fall on the affected employee or service provider. The employer may still face reporting, withholding, payroll-tax, deposit, correction, contractual, and employee-relations consequences resulting from the failure and administration.
A valuation is refreshed at least every 12 months and sooner after information or events that could materially affect company value. Examples include financing rounds, acquisition discussions, business changes, litigation developments, or significant shifts in revenue, customers, products, or markets.
Sometimes. IRS correction procedures may provide limited relief for specified document or operational failures when detailed eligibility, timing, repayment, reporting, and disclosure requirements are satisfied. Relief is not automatic, so companies should identify problems quickly and obtain coordinated professional advice.
For more than four decades, Bennett Thrasher has provided businesses and individuals with strategic business guidance and solutions through professional tax, audit, advisory, and business process outsourcing services. Contact Gina Miller, partner in charge of Bennett Thrasher’s Business Valuation Practice, or call us at 770.396.2200.

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