A clear guide to understanding the Plan Termination Date and how it affects your pension benefits.
The Plan Termination Date—also known as the Date of Plan Termination—is one of the most important milestones in a single-employer defined benefit pension plan. It marks the official day the plan ends, and it directly affects how benefits are calculated, protected, and paid. Knowing what this date means can help workers, retirees, and employers navigate the rules, especially when the Pension Benefit Guaranty Corporation (PBGC) becomes involved.
What Is the Plan Termination Date?
The Plan Termination Date is the formal date a single-employer defined benefit plan stops operating. After this date:
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No new benefits can be earned.
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The plan must settle all promised benefits.
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PBGC guarantees, limits, and rules are applied based on this specific date.
In simple terms, it is the “point in time” the law uses to freeze the plan and determine what participants are entitled to.
This date applies whether the plan ends voluntarily (through a standard or distress termination) or involuntarily (when PBGC steps in to protect participants).
Why the Plan Termination Date Matters
The Plan Termination Date affects several important factors that determine how much you might ultimately receive from the pension plan or from PBGC. It influences:
1. Benefit Freezing
Your accrued benefit—the pension amount you have already earned—is fixed as of the termination date. Even if you continue working for the employer afterward, you do not accumulate additional benefits under the terminated plan.
2. PBGC Guaranty Limits
If the plan is underfunded and PBGC takes over, the PBGC guarantee limits are based on the Plan Termination Date.
For example, if your pension benefit is higher than the PBGC maximum guarantee for that year, the amount above the limit may not be covered.
3. Benefit Calculations
Several key pension rules depend on the termination date, including:
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The interest rates used to value benefits
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The plan’s funding status
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Eligibility for certain subsidies, such as early-retirement supplements
4. Distribution Timing
The plan administrator must use the termination date to schedule:
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Notice periods
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Final benefit calculations
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Lump-sum distributions or annuity purchases
Real-Life Example
Imagine Maria, who works 25 years at a manufacturing company. Her employer decides to terminate the pension plan on September 30, 2025.
Here’s how the Plan Termination Date affects her:
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Maria’s benefit is frozen as of September 30—if she works two more years, no extra pension credits are earned.
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PBGC would use 2025 rules to determine how much of her benefit is guaranteed if the plan cannot pay the full amount.
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Her early-retirement subsidies, if she qualifies, are measured based on her age and service on the termination date.
Understanding this date helps Maria anticipate exactly what her retirement benefits will look like.
How Plan Termination Dates Are Set
The termination date depends on the type of plan termination:
Standard Termination
The employer chooses a date, gives notice to participants, and pays all promised benefits using plan assets or annuity contracts.
Distress Termination
The employer proves it cannot continue the plan, and PBGC approves the termination and sets the date.
Involuntary Termination
PBGC may step in and select the date if the plan is severely underfunded or at risk.
Summary
The Plan Termination Date is the official date a single-employer defined benefit plan ends, and it plays a critical role in determining your final pension benefit. It freezes benefit accruals, sets PBGC guarantee levels, and serves as the foundation for all final calculations. If you ever receive a termination notice, understanding this date can help you make informed decisions about your retirement income.
In short, the Plan Termination Date is the anchor point that guides what benefits you will receive and how they are protected.
Please take a look at this as well:
What Is the Plan Termination Date? – Simple and Easy Explanation

