A qualified non-elective contribution, or QNEC, is an employer contribution to a 401(k) or similar retirement plan that goes to eligible employees whether or not they defer any of their own pay. Employers use QNECs mostly as a repair tool: to fix a failed annual non-discrimination test or to make an employee whole after a payroll or enrollment mistake. What makes the contribution “qualified” is a pair of strict rules attached to it — the money must be 100% vested immediately, and it stays locked in the plan under the same withdrawal restrictions that apply to an employee’s own elective deferrals.1Internal Revenue Service. 401(k) Plan Fix-It Guide – Eligible Employees Werent Given the Opportunity to Make an Elective Deferral Election2Office of the Law Revision Counsel. 26 USC 401 – Qualified Pension, Profit-Sharing, and Stock Bonus Plans
The employer decides whether to make one, when, and how much. Employees have no say and don’t need to be contributing anything themselves. The plan document sets the allocation formula, which is typically a uniform percentage of each eligible employee’s compensation. For tax purposes, a QNEC behaves like any other pre-tax employer contribution: deductible to the employer under IRC Section 404, and not taxable to the employee until the money is eventually distributed.3Office of the Law Revision Counsel. 26 U.S. Code 404 – Deduction for Contributions of an Employer to an Employees Trust or Annuity Plan
The Two Rules That Make a Contribution “Qualified”
Immediate Vesting
A QNEC must be fully vested the moment it lands in a participant’s account. An employee who quits the next day walks away with every dollar.1Internal Revenue Service. 401(k) Plan Fix-It Guide – Eligible Employees Werent Given the Opportunity to Make an Elective Deferral Election That contrasts with a standard employer match, which commonly vests over three to six years.
Distribution Restrictions
QNECs are locked down under the same rules that govern elective deferrals in IRC Section 401(k)(2)(B). The money can generally come out only on separation from service, death, disability, reaching age 59½, or plan termination.2Office of the Law Revision Counsel. 26 USC 401 – Qualified Pension, Profit-Sharing, and Stock Bonus Plans Hardship distributions from QNECs and their earnings are also permitted in 401(k) plans under regulations finalized in 2019, provided the plan document allows hardship withdrawals in the first place.4Federal Register. Hardship Distributions of Elective Contributions, Qualified Matching Contributions, Qualified Nonelective Contributions
The plan sponsor also has to formally designate a contribution as a QNEC in the plan document. Money the employer contributes without that designation, and without the vesting and distribution restrictions attached, doesn’t carry the compliance weight the label provides.5Federal Register. Definitions of Qualified Matching Contributions and Qualified Nonelective Contributions
Fixing a Failed ADP or ACP Test
The most common reason employers make QNECs is to correct a failed non-discrimination test. Every 401(k) plan that doesn’t use a safe harbor design has to run two annual tests to show it isn’t tilted toward highly compensated employees. The Actual Deferral Percentage (ADP) test compares the average deferral rate of HCEs to the average for non-highly compensated employees. The Actual Contribution Percentage (ACP) test does the same comparison for employer matching contributions and after-tax employee contributions. For 2026, an HCE is generally someone who earned more than $160,000 in the prior year or owns more than 5% of the business.6Internal Revenue Service. COLA Increases for Dollar Limitations on Benefits and Contributions
When a plan fails, the IRS gives the sponsor a choice: shrink the HCE side by refunding excess contributions to those employees, or grow the NHCE side by contributing enough to raise their average. That second option is the QNEC fix. The plan administrator calculates the minimum QNEC needed to close the gap, and once deposited, the money is treated as an elective deferral for ADP testing (or as a matching contribution for ACP testing), which is what allows it to move the math.
Refunding money to HCEs is often unpopular because it creates a taxable event for those employees. A QNEC spread across many NHCE accounts can sometimes cost the employer less in total than the refunds it avoids, and it doesn’t put HCEs in an awkward tax position.
The Correction Deadline
A corrective QNEC has to be deposited by the last day of the plan year following the year the failure occurred. A calendar-year plan that fails testing for 2025 has until December 31, 2026, to fund the QNEC.7Internal Revenue Service. Retirement Topics – Contributions Miss that window and the QNEC fix is off the table; the fallback is refunding excess contributions to HCEs along with any earnings attributable to them.
Fixing a Missed Deferral Opportunity
The other common QNEC trigger is an operational error: an eligible employee wasn’t enrolled when they should have been, or the payroll system withheld the wrong deferral amount. These are corrected under the IRS Employee Plans Compliance Resolution System (EPCRS).
When an employee has been improperly excluded, the employer generally owes a corrective QNEC equal to 50% of the deferrals the employee missed, adjusted for the earnings that money would have generated. If the plan provides a match, the employer also owes a corrective match on what the employee would have received.8Internal Revenue Service. Correcting a Failure to Effect Employee Deferral Elections
The base for the 50% calculation depends on plan design. For a non-safe-harbor plan, use the plan’s actual ADP for the year the employee was excluded. For a safe harbor non-elective plan, the missed deferral is 3% of compensation. For a safe harbor match plan, the missed deferral is the greater of 3% or the maximum deferral rate that receives a full employer match. Getting the base wrong usually means recomputing and contributing more money.
Paying for QNECs with Forfeitures
When employees leave before fully vesting in their employer contributions, the unvested piece becomes a plan forfeiture. Since July 2018, final Treasury regulations allow forfeitures to fund QNECs. The rule now requires QNECs to be nonforfeitable when allocated to a participant’s account, rather than when first contributed to the plan trust, so money that was once forfeitable at the plan level can still be used.9Internal Revenue Service. Plan Forfeitures Used for Qualified Nonelective and Qualified Matching Contributions The same rule applies to Qualified Matching Contributions (QMACs).
When a Safe Harbor Design Beats Repeated QNECs
Plan sponsors who find themselves making corrective QNECs year after year should look at safe harbor design. A safe harbor 401(k) is deemed to satisfy the ADP and ACP tests automatically, which eliminates the annual testing and the risk of corrective contributions.
One route is a safe harbor non-elective contribution of at least 3% of compensation for every eligible employee, deferring or not, and that contribution must also be immediately vested.10Office of the Law Revision Counsel. 26 USC 401 – Qualified Pension, Profit-Sharing, and Stock Bonus Plans The alternative is a safe harbor matching formula tied to employee deferrals at specified rates.11Internal Revenue Service. Chapter 7 – 401(k) Determination Issues
A corrective QNEC is reactive, unpredictable in amount, and reaches only NHCEs. A safe harbor non-elective contribution is planned, budgetable, and reaches every eligible employee. Where HCEs consistently want to maximize deferrals, the safe harbor route usually costs less over time than repeated corrective contributions plus the administrative overhead of annual testing.
How QNECs Differ From Other Employer Contributions
A QMAC carries the same immediate vesting and distribution restrictions as a QNEC, and either can correct a failed ADP or ACP test. The difference is who receives one: a QMAC is tied to the employee’s own contributions, so only employees who defer get anything, while a QNEC reaches everyone eligible.9Internal Revenue Service. Plan Forfeitures Used for Qualified Nonelective and Qualified Matching Contributions That makes a QNEC the stronger lever when lower-paid employees aren’t deferring much.
A standard profit-sharing contribution is also non-elective, but it typically vests over a two- to six-year schedule and may be available for in-service withdrawals. Because it doesn’t carry the vesting and distribution restrictions the IRS requires, it can’t be used to fix a failed ADP or ACP test.
A standard matching contribution is conditional on employee deferrals, like a QMAC, but follows the plan’s regular vesting schedule and doesn’t meet the distribution restrictions needed for test correction.
2026 Limits That Constrain a QNEC
Several IRS limits shape how large a QNEC can be for any one participant.
- Annual additions limit under Section 415(c): $72,000. This is the combined ceiling for all employer and employee contributions to a participant’s account, and QNECs count against it.12Internal Revenue Service. 2026 Amounts Relating to Retirement Plans and IRAs, as Adjusted for Changes in Cost-of-Living
- Employee elective deferral limit under Section 402(g): $24,500. QNECs don’t count against this limit because they’re employer contributions.13Internal Revenue Service. 401(k) Limit Increases to $24,500 for 2026, IRA Limit Increases to $7,500
- Annual compensation limit under Section 401(a)(17): $360,000. Only this much of an employee’s pay can be used to calculate the QNEC allocation.12Internal Revenue Service. 2026 Amounts Relating to Retirement Plans and IRAs, as Adjusted for Changes in Cost-of-Living
- Highly compensated employee threshold: $160,000 in prior-year compensation.6Internal Revenue Service. COLA Increases for Dollar Limitations on Benefits and Contributions
The annual additions cap sweeps in everything flowing into a participant’s account: elective deferrals, employer matching, profit-sharing contributions, allocated forfeitures, and any QNEC.14Internal Revenue Service. Failure to Limit Contributions for a Participant The compensation cap is the one that trips up administrators most often. An employee earning $400,000 gets a QNEC calculated on $360,000, not the full salary. Miss that and a QNEC meant to fix one compliance problem can push a participant past the annual additions limit and create another.