401(k) Eligibility: When to Let Employees Join Your 401(k) Plan
During the 401k plan design process, we get a lot of questions from small business 401k fiduciaries about employee eligibility.
They want to know when they should let new employees into their 401k plan and their options for keeping certain employees – generally the ones that won’t participate – out.
These are important questions to answer correctly. Who 401k fiduciaries let into their plan can have a dramatic effect on the plan’s cost, ease of administration, and perceived value to existing or prospective employees.
401k fiduciaries should understand their eligibility options to best match them to company 401k plan goals.
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401k eligibility basics
Small businesses may allow new employees to enter their 401k plan immediately or require them to meet minimum age and service conditions first. They may also want to keep certain employees out of their plan altogether. Some 401k plan eligibility basics for 401k fiduciaries to understand include:
- The maximum age and service conditions permitted by law are:
- 401k deferrals and safe harbor contributions – age 21 and 1 year of service
- Discretionary employer contributions – age 21 and 2 years of service
- 401k plans have two options for crediting service for eligibility purposes:
- Elapsed time method – Easiest way for employers to measure service. Only time of employment is important. Hours worked is irrelevant.
- Counting hours method - Employees must work a specified number of hours during the Eligibility Computation Period (ECP).
- An ECP can’t exceed 12 months or require more than 1,000 hours of service.
- “Entry dates” are the dates a 401k plan allows employees to enroll after meeting its age and service conditions. Common entry date frequencies are monthly, quarterly, and semi-annual.
- A brand new (startup) 401k plan can waive eligibility requirements for all employees employed on the plan’s effective date.
Choosing 401k eligibility terms
Company goals, employee demographics and plan features are all factors 401k fiduciaries should consider when choosing eligibility terms for their plan. More specific considerations include:
- Companies with high employee turnover that want to keep transient employees off their plan choose longer service requirements.
- Companies that want to minimize the number of part-time or seasonal employees in their plan define a year of service using the counting hours method
- Companies that want their 401k plan to help recruit top employee talent choose shorter service requirements.
- Companies that want their 401k plan to help employees save as early as possible for retirement choose no service requirements at all.
- Companies that make 100% immediately vested employer contributions may prefer longer service requirements since vested contributions are not forfeitable upon an employee’s separation from service.
What are small businesses doing today?
Two weeks ago, I studied the plan designs used by 2,767 small business 401k plans. Below is a summary of the service requirements used by these plans. The two most popular requirements were 1 year of service – used by 50.42% – and none at all - used by 22.44%.
401k eligibility is important!
I beat this drum a lot, but there is no such thing as “one-size-fits-all” 401k plan. Choosing the right mix of 401k features during the plan design process can help a company meet their 401k goals at the lowest annual expense.
Some of the most consequential decisions 401k fiduciaries make during the plan design process relate to employee eligibility. When eligibility requirements are too liberal, plan expenses can explode and day-to-day administration is made unnecessarily complex. When they are too strict, prospective employees might look elsewhere for employment. 401k fiduciaries should understand their options to make the right eligibility decisions for their 401k plan.
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About Eric Droblyen
Eric Droblyen began his career as an ERISA compliance specialist with Charles Schwab in the mid-1990s. His keen grasp on 401k plan administration and compliance matters has made Eric a sought after speaker. He has delivered presentations at a number of events, including the American Society of Pension Professionals and Actuaries (ASPPA) Annual Conference. As President and CEO of Employee Fiduciary, Eric is responsible for all aspects of the company’s operations and service delivery.