Many business owners understand how powerful defined benefit plans can be. They love the large tax-deductible contributions.
But one question always arises: how long do I have to keep a plan, and what is the defined benefit plan time horizon?
Most business owners need help understanding the plan permanency rules and believe they must have a plan through a company’s termination. We’ll discuss the rules and requirements and guide you on how to structure a plan. Let’s jump right in.
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What is a defined benefit plan?
A defined benefit plan is a type of employer-sponsored retirement plan that promises a specific benefit to eligible employees upon retirement. The benefit amount is normally based on factors such as the employee’s salary history and years of service with the company.
The employer bears the investment and longevity risks associated with funding the plan and ensuring that there are sufficient assets to pay the promised benefits. The employee is not allowed to contribute and bears no risk.
In a defined benefit plan, the employer is responsible for making contributions and managing the plan’s investments to ensure that there are enough funds to meet the future retirement obligations. The plan’s assets are typically invested in a diversified portfolio, aiming to generate returns over time.

Once an employee retires, they receive a regular, predictable payment from the plan. This is usually in the form of a monthly payment throughout their retirement years. The amount of the pension is based on the plan’s formula, providing employees with a stable and guaranteed income stream during retirement.
Defined Benefit Plan Time Horizon
The defined benefit plan time horizon typically refers to the duration over which the plan’s obligations, including the payment of retirement benefits to participants, are expected to be met. This time horizon is often long-term in nature and extends over several decades.
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The length of the defined benefit plan time horizon can vary depending on various factors. These factors include the demographics of the plan’s participants, the plan’s funding status, and the assumptions made regarding future investment returns and mortality rates.
It’s important to note that the defined benefit plan time horizon is an estimate and subject to change. Actuaries regularly evaluate and adjust the plan’s assumptions and funding strategies to ensure the plan remains adequately funded to meet its long-term obligations.
How long do I have to keep a defined benefit plan?
The duration for which you are required to keep a defined benefit plan depends on various factors, including your employment status, the terms of the plan, and any legal or regulatory requirements.
If you are an active employee covered by a defined benefit plan, you typically need to participate in the plan as long as you remain employed by the sponsoring employer. The plan will continue to provide retirement benefits for as long as you meet the plan’s eligibility criteria and accrue benefits based on your years of service and salary.

If you leave your employer before retirement age, you may have options regarding your accrued benefits. Some defined benefit plans allow participants to leave their benefits in the plan and receive a monthly pension upon reaching the plan’s normal retirement age. Others may offer the option to receive a lump-sum distribution or roll over the accrued benefits into an individual retirement account (IRA) or another qualified retirement plan.
It’s important to review the specific provisions of your defined benefit plan, consult with the plan administrator or your human resources department, and consider seeking advice from a qualified financial professional to understand your options and any applicable rules or regulations that may impact your decision regarding the plan.