A clear guide to understanding the Date of Plan Termination in pension plans, including how it works and why it matters for your retirement benefits.
The Date of Plan Termination (DOPT) is a specific date chosen by an employer when a pension plan is officially ended. Although the short definition simply says “See Plan Termination Date,” the concept plays an important role in how retirement benefits are calculated, protected, and paid out.
Understanding the Date of Plan Termination (DOPT)
The Date of Plan Termination marks the point at which a pension plan legally stops operating. From this date forward, the plan can no longer earn additional benefits, accept new participants, or accrue service for existing workers.
Even though the term seems simple, it affects employees, retirees, and employers in several key ways. When the DOPT is established, the pension plan essentially “freezes in place,” and everything — from benefit calculations to PBGC guarantees — becomes tied to that date.
This makes the Date of Plan Termination an important concept for anyone covered by a defined benefit pension plan.
Why the Date of Plan Termination Matters
Here’s why the DOPT is such a critical milestone:
1. Benefit Calculations Stop
Once the plan terminates, employees no longer earn additional benefits. Any pension amount you are entitled to is based on your service and earnings as of the DOPT.
2. Plan Funding and Assets Are Measured
The plan’s financial standing is evaluated on the Date of Plan Termination. This determines:
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Whether the plan has enough money to pay promised benefits
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What assets are available
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How benefits will be distributed
If the plan is underfunded, the PBGC (Pension Benefit Guaranty Corporation) may step in to provide protection.
3. PBGC Coverage Rules Apply
When the PBGC becomes involved, the DOPT helps determine which benefits are guaranteed.
Related search phrases like “PBGC guarantee rules” or “pension benefits explained” often refer to limits that depend heavily on the exact termination date.
4. Determines Employee Rights at Termination
Your vesting status — whether you’ve earned the right to your pension — is locked in based on the DOPT.
If you were vested before that date, your benefit is protected. If not, you may lose eligibility unless special rules apply.
Examples to Make It Clear
Example 1: A Fully Funded Plan Ends
An employer decides to end its defined benefit plan on September 30, 2025.
This becomes the Date of Plan Termination.
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Employees stop earning new benefits on that day.
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The plan’s assets are measured as of 9/30/2025.
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Benefits are calculated using service and salary up to that date.
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Because the plan is fully funded, all promised benefits can be paid.
Example 2: An Underfunded Plan Taken Over by PBGC
A struggling company terminates its plan on June 15, 2026.
The plan does not have enough assets, so PBGC trustees the plan.
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PBGC uses the DOPT to determine guaranteed benefit levels.
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Some early retirement subsidies or extra benefits may not be guaranteed if they fall outside PBGC limits tied to the termination date.
Example 3: Employee Vesting
You work at the company for 4.5 years when the plan terminates.
You would have become vested at 5 years — but vesting is determined as of the DOPT.
Depending on the plan’s rules and federal requirements, you may or may not become vested. The termination date is the deciding factor.
How the Date of Plan Termination Is Chosen
An employer must follow federal rules when choosing a DOPT. Typically:
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The company selects the date in writing.
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Participants are notified.
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Regulatory agencies (like PBGC) may need to review or approve the termination, depending on the type of termination.
The DOPT must be reasonable and must follow official notice and filing procedures.
Final Summary
The Date of Plan Termination (DOPT) is the official date on which a pension plan ends. From this day forward, no new benefits accrue, employee rights are fixed, and the plan’s financial status is evaluated. It also determines which benefits the PBGC guarantees if the plan is underfunded.
Understanding the DOPT helps workers know what to expect when a pension plan shuts down and ensures they understand how their retirement benefits are affected.
Related keywords that readers often search include: “what is date of plan termination,” “PBGC guarantee rules,” “pension benefits explained,” and “plan termination date meaning.”
Please take a look at this as well:
What Is the Date of Trusteeship? – Simple and Easy Explanation

