Defined benefit and cash balance plans offer a lot of customization. When hiring non-owner employees, employers can limit when new employees to enter in the plan. These are called “entry dates.”
Entry dates come with various pros and cons. The decision is not always clear cut.
In this post, we will discuss entry date options and give you a few tips to decide which is better for your business. Let’s get started.
Overview of Eligibility and Vesting Choices
Most clients understand that there are discrimination rules that require contributions to be allocated to employees. In fact, most clients are fine with contributing a small amount to employees.
But they still want to limit contributions to these employees so the overall economics make sense. Defining plan entry is an important consideration that will tie into the economics.
Defined benefit plans can use different plan entry dates. The dates can range from immediate to as long as two years. Two of the most common approaches when there are non-owner employees are: (1) one-year entry; and (2) two-year entry.
But if you wanted to be the most restrictive, why wouldn’t you use two-year entry?
Unfortunately, it’s not as simple as that. The reason is vesting. Specifically, if you choose one year of eligibility, then you can have three years of vesting. But if you choose a two-year entry period, then employees must be immediately vested.
As such, one-year eligibility with three-year cliff vesting lets employees enter sooner, but requires longer service to actually “own” their contributions. Two-year eligibility delays plan entry, but grants 100% ownership once eligibility is satisfied.
The two options are summarized below:
| One-Year Entry | Two-Year Entry | |
|---|---|---|
| Entry | One-Year, 1,000 Hours | Two-Year, 1,000 Hours |
| Vesting | Three Years | Immediate |
| Forfeitures | Yes | No |
What is vesting?
Vesting is the rule in a retirement plan that determines how much of the employer-provided benefit or contribution an employee actually owns. Employee contributions are always 100% vested, because they come from the employee’s pay. Vesting mainly applies to employer contributions or employer-funded benefits.
Vesting is tied to service, which is usually measured in years worked under the plan’s definition of a year of service. Defined benefit plans will generally use cliff vesting, where ownership stays at 0% until a certain point and then becomes 100% at once.
If an employee leaves before they are fully vested, they generally lose the non-vested portion of the employer benefit or contribution. The vested portion remains theirs and can typically be paid out or rolled over to an IRA. Once vested, you are vested in all plan contributions.
What are forfeitures?
In a cash balance plan, forfeitures are the non-vested portion of a participant’s allocated contributions that are lost when they leave employment. They occur when someone terminates before meeting the plan’s vesting requirements.
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For example, an employee might receive an allocation for one or two years, but remain 0% vested under a three-year cliff schedule. If they terminate before becoming vested, the benefit they accrued is forfeited back to the plan.
Forfeitures can reduce the employer’s long-term net cost because the plan no longer has to pay those unvested benefits. Depending on the plan’s terms and administration, forfeitures may be used to offset future employer contributions.
Pros and Cons of Each Approach
Under the one-year eligibility rule, an employee generally must complete a year of service. A year of service often means 1,000 hours in a 12-month period. Once eligible, the employee enters based on the plan’s entry dates.
Under a two-year eligibility rule, an employee must complete 1,000 hours in two separate periods. In practice, that often takes about 18 to 24 months of employment. After meeting eligibility, the employee enters and is immediately 100% vested.
Here is a list of pros and cons for each design:
1-year eligibility with 3-year vesting:
- It gives the employer more upfront cost protection. While the employer does have to contribution for the employee after one year, if the employee leaves in the first 3 years then the funds are forfeited back to the plan. This results in a “cushion” that is then used to allocate to other participants.
- It can encourages employee retention as employees must stay longer to receive the full benefit based on the vesting schedule.
- Even though this design requires more upfront contributions, it may help the overall economics if the company has high turnover and, thus, high forfeitures.
- The vesting schedule is the main cost protection feature. If employees leave after one or two years, they often forfeit most benefits. Those forfeitures can reduce future employer costs.
2-year eligibility with immediate vesting:
- Reduces costs in the first two years because contributions are not required for the staff. Employees must earn 1,000 hours in two separate 12-month periods to qualify (generally about 18–24 months of employment).
- Simpler administration — no ongoing vesting tracking once eligible.
- Strong benefit for long-term employees — once eligible, they immediately own 100% of the contribution.
- A drawback is communication complexity. You must explain eligibility, entry dates, and vesting in clear language. Confusion can lead to complaints, especially during terminations.
- Employees must earn 1,000 hours in two separate 12-month periods to qualify. For many work patterns, this equates to roughly 18 to 24 months. Part-time schedules can extend that timeline further.
- Two-year eligibility delays when employees qualify for benefits. That can reduce costs when many employees leave within the first year. It limits participation to those who have demonstrated staying power.
- Once employees qualify, immediate vesting can be very attractive. They immediately own 100% of the employer-funded benefit. That feels simple and fair to many employees.
Choosing the Right Design for Your Workforce and Budget
If most employees leave in the first year, two-year eligibility may reduce participants. You avoid adding short-term employees to the defined benefit accrual group. That can control cost and simplify annual funding volatility.
If many employees stay past one year but leave before three years, cliff vesting adds protection. Those employees may enter and accrue benefits, but forfeitures can offset employer cost. This is a common reason employers keep the one-year structure.
Is a Cash Balance or Defined Benefit Plan Right For You?
Consider the message you want to send. One-year eligibility signals inclusiveness, while vesting signals commitment. Two-year eligibility signals selectivity, while immediate vesting signals generosity.
| Feature | 1-year eligibility + 3-year cliff vesting | 2-year eligibility + immediate vesting |
|---|---|---|
| Typical time to enter plan | About 12 months, after meeting service and entry date | About 18–24 months, after two service periods and entry date |
| Ownership at entry | Usually 0% vested at entry | 100% vested at entry |
| Employer cost protection | Higher, due to potential forfeitures | Moderate, due to delayed entry but no forfeitures after entry |
| Retention incentive | Strong, because employees must stay to vest | Moderate, because eligibility delay is the main hurdle |
| Administration complexity | Vesting tracking required for eligible participants | Simpler after eligibility, because vesting is immediate |
| Employee perception | Earlier entry, but ownership feels delayed | Later entry, but ownership feels immediate |
Think about workforce schedules and hours. Part-time populations complicate two-period hour tracking and eligibility timing. High variability in hours can make eligibility harder to explain.
Consider business cash flow and contribution volatility. Defined benefit funding can change with investment returns and interest assumptions. Cost protection features matter more when contribution requirements spike.
- Review turnover rates by tenure and job class.
- Confirm how eligibility interacts with entry dates and payroll processes.
- Align 401(k) profit sharing rules where it improves clarity.
- Model expected forfeitures under a three-year cliff schedule.
- Estimate participant counts under a two-year eligibility rule.
- Plan a communication strategy for hires, exits, and annual notices.
Bottom Line
One-year eligibility with three-year cliff vesting offers earlier entry and more employer cost protection. It can encourage retention and may offset future costs through forfeitures. It also requires vesting tracking and careful communication.
Two-year eligibility with immediate vesting delays entry but provides instant ownership once eligible. It can reduce costs when early turnover is high and simplifies administration after eligibility. It may feel less competitive for recruiting if candidates want earlier participation.
The best choice depends on your turnover patterns, workforce expectations, and administrative capacity. Model both options using your actual employee data and plan design details. Then choose the structure that matches your budget goals and retention strategy.
