When it comes to managing a defined benefit plan, two financial concepts are frequently discussed yet often confused: termination liability and maximum funding limits. While both figures relate to the overall financial health of your plan, they serve very different purposes and are calculated in distinct ways.
Active monitoring of both figures, in partnership with a qualified actuary, is essential. It preserves deduction flexibility and keeps plan assets aligned with actual obligations. Regular review ensures contributions remain in the optimal range year after year. The goal is not maximum funding; it is efficient funding.
This article will discuss these two concepts and provide a few tips. Let’s jump in!
Understanding cash balance plans
A cash balance plan is a defined benefit plan with an account-style presentation. Each participant has a hypothetical account that grows through pay credits and interest credits. The employer bears the investment risk, not the employee. These plans are popular tools for accelerating tax-deferred retirement savings, especially for business owners.
Each year, actuaries calculate both required and allowable contribution ranges. Two key measures guide this process: termination liability and the maximum deductible contribution limit. Understanding how they differ is essential to managing the plan effectively.
What is termination liability?
Termination liability refers to the amount an employer would be required to pay out if the plan were to be shut down today — essentially, the present value of all accrued benefits owed to participants at that moment. It represents a worst-case snapshot of the plan’s obligations and is often used as a risk management benchmark. Because it reflects what would actually need to be distributed to participants upon plan termination, this figure can be significantly higher than the plan’s current assets, especially in the early years of funding.
Maximum funding limits, on the other hand, are defined by IRS rules and represent the upper boundary of what a business owner can contribute to a defined benefit plan in a given year on a tax-deductible basis. Contributing beyond this limit can trigger excise taxes and create an overfunding problem that is difficult to unwind.
While pushing toward the maximum can be a smart tax-reduction strategy for high earners, it’s critical to understand how this ceiling interacts with termination liability — because a plan that appears adequately funded by one measure may tell a very different story under the other.
Termination liability estimates the cost to settle all earned benefits if the plan ended today. It reflects the present value of accrued benefits using settlement-style assumptions. These assumptions are often aligned with lump sum or annuity purchase bases. The IRS describes this as the present value of accrued benefits under the plan.
Discount rates used are typically tied to IRS segment rates under IRC Section 417(e). Lower rates produce a higher termination liability; higher rates reduce it. While not a formal funding requirement, this measure is widely used as a practical benchmark. It helps sponsors determine whether assets are sufficient to cover earned obligations on a conservative basis.
What is the maximum deductible contribution?
The maximum deductible contribution is the upper limit on tax-deductible employer contributions. It is governed by IRC Section 404, which sets the ceiling for each plan year. The calculation incorporates the plan’s funding target, target normal cost, and applicable cushions. These inputs use prescribed actuarial assumptions under IRC Section 430.
These assumptions are generally more conservative than best-estimate projections. They are not necessarily aligned with termination liability assumptions. The gap between current plan assets and this ceiling determines how much can be contributed. Sponsors who treat this ceiling as a target often contribute more than necessary.
Comparing the two measures
Termination liability and the maximum deductible contribution serve very different purposes. One reflects what the plan actually owes participants on a conservative basis. The other defines the outer boundary of allowable tax deductions. Treating them as interchangeable is a common and costly mistake.
The table below highlights the key differences between these two measures. Sponsors should review both figures with their actuary each year. Neither figure alone tells the full story of plan health. Together, they define the productive funding range for any given year.
Use EMPARION PLANS on
*Emparion is not affiliated with, endorsed by, or sponsored by these institutions.*
| Termination liability | Maximum deductible contribution |
| Estimates cost to settle all earned benefits today | Defines the upper limit of tax-deductible contributions |
| Based on IRC Section 417(e) segment rates | Based on IRC Section 404 and 430 funding rules |
| Generally lower in value | Generally higher in value |
| A practical benchmark for funded status | A regulatory ceiling, not a funding target |
| Excess above this level creates trapped surplus risk | Contributing to this ceiling can cause overfunding |
The danger of trapped surplus
Consistently contributing to the maximum deductible level can push assets far above termination liability. This excess accumulation is commonly referred to as trapped surplus. It is trapped because withdrawing it from the plan carries severe tax consequences. The IRS imposes a 20 percent excise tax on asset reversions to the employer upon plan termination.
Reversion amounts are also subject to ordinary income tax on top of the excise tax. Combined, the total tax burden can approach or exceed 50 percent of the excess assets. Assets meant to fund retirement benefits can instead become a costly liability. Once surplus accumulates, the options for recovering it efficiently are very limited.
Some sponsors assume they can simply reduce future contributions to draw down surplus over time. However, minimum funding rules and market volatility can make that strategy unreliable. The safest approach is to prevent surplus from forming in the first place. Using termination liability as an annual funding benchmark is the most practical way to do that.
Key principles for business owners
A disciplined funding strategy centers on termination liability, not the maximum deductible limit. Sponsors who follow this approach preserve flexibility and avoid unnecessary tax exposure. The following principles reflect best practices for managing a cash balance plan over time.
- Use termination liability as your primary annual funding benchmark, not the maximum deductible limit.
- Monitor plan assets relative to termination liability at least once per year.
- Avoid contributing above the termination liability level without a clear short-term rationale.
- Understand that excise taxes on surplus reversions can eliminate prior years’ tax benefits.
- Work with your actuary to model multi-year contribution scenarios before making large deposits.
- Reduce contributions in years when assets are already near or above termination liability.
- Treat the maximum deductible limit as a ceiling, not a contribution recommendation.
Key takeaways
Cash balance plans offer significant tax advantages, but they require careful funding discipline. The distinction between termination liability and the maximum deductible limit is not merely technical. It determines whether a plan builds appropriate reserves or expensive, hard-to-recover surplus. Sponsors who understand this difference are far better positioned for long-term success.
Termination liability represents a conservative estimate of what the plan truly owes participants. The maximum deductible limit defines how much can legally be contributed in a given year. Confusing the two can lead to overfunding and costly tax consequences at plan termination. Each measure has a specific role, and neither should substitute for the other.
Is a Cash Balance or Defined Benefit Plan Right For You?
