What it means
In the United States, a 401(k) is a retirement plan offered by an employer, and employees choose how much of their pay to defer into it. To stop plans from favouring highly paid staff and owners, the rules require annual tests that compare contribution rates across groups.
If a plan fails the tests, the owners may have to take back some of their own contributions. A safe harbor plan avoids that testing by promising a minimum employer contribution to everyone, either as a matching formula or as a flat percentage of pay for all eligible staff.
The commitment must be communicated to employees in advance, and the contributions must usually vest (become the employee's property) quickly. In exchange, the plan is treated as passing the main tests automatically.
The Dash design, as described by plan providers, adds to this foundation by allowing the business to make additional profit-sharing contributions, often allocated using a formula that can favour older or higher-paid participants within legal limits. The aim is to let owners save more while still giving staff a meaningful benefit.
The exact features depend on the plan documents, so employers should confirm the terms with their administrator. The cost to the employer includes the required safe harbor contribution, the profit-sharing amount chosen, plan administration fees and the effect on payroll costs.
The benefits include a tax deduction for employer contributions within limits, simpler compliance and a stronger recruitment and retention offer. Annual limits on contributions and compensation are set by the tax authority and change from year to year.
The nuance is that a plan designed to help owners save still has to be fair in law, and misusing the formula can cause failures that are expensive to correct. Business owners should take advice from a qualified retirement plan adviser or actuary before choosing a design.
This entry is general information, not tax advice.
In practice
Real-world examples.
Example
A dental practice with 12 employees fails its annual 401(k) tests because the dentists defer much more than the staff. The practice switches to a safe harbor design with a 3% employer contribution for everyone. The tests no longer apply, and the dentists can defer up to the legal limit.
Example
A small architecture firm wants to give staff a competitive benefit while allowing the partners to save more. Its adviser recommends a design that combines safe harbor contributions with profit sharing that is allocated using age-weighted rules. The firm takes tax advice on the deductions and limits.
Example
A consulting business with variable profits chooses to make the safe harbor contribution every year and decide on additional profit sharing after the year-end results are known. This gives it certainty on the minimum cost and flexibility on the rest. The CFO builds both amounts into the cash flow forecast.
Formula
Calculation
Safe harbor nonelective cost = eligible payroll x contribution percentage
Suppose a company has eligible payroll of $1,000,000 and chooses the safe harbor nonelective contribution of at least 3% of pay for every eligible employee. Cost = 1,000,000 x 0.03 = $30,000. If the owners also decide to make an additional profit-sharing contribution of 2% of payroll, that adds 1,000,000 x 0.02 = $20,000, making a total employer contribution of 30,000 + 20,000 = $50,000, which is 5% of payroll.Case study
Seen in the real world.
Westmoor Engineering is an illustrative, fictional company with 25 employees. For three years its 401(k) failed the annual contribution tests because lower-paid staff deferred little, and the two owners had to receive refunds of their own contributions each spring.
The finance manager asked the plan administrator about a Dash 401(k). After modelling, the company agreed to a safe harbor contribution of 3% of pay, costing $75,000 on eligible payroll of $2,500,000, plus a profit-sharing allocation in good years.
Participation among staff rose because they received the employer contribution automatically, and the owners could defer fully. In this illustrative story, the extra cost was partly offset by tax deductions and lower staff turnover, though the board noted that the commitment had to be honoured each year.
Watch out
Common mistakes.
- Choosing a design only for the owners' benefit without modelling the total employer cost for all employees.
- Missing the notice deadlines for a safe harbor plan, which can cause the plan to lose its safe harbor status for the year.
- Assuming the contribution formulas are unlimited, when annual legal limits and nondiscrimination rules still apply.
Questions
People also ask.
What does DASH stand for?
It stands for Double Advantage Safe Harbor, the name used for a plan design that combines safe harbor contributions with additional profit-sharing flexibility.
Who should consider a plan like this?
Small and medium-sized employers whose plans have failed testing, or whose owners want to save more, may find the design useful after taking professional advice.
Is the employer contribution deductible?
Employer contributions to a qualified plan are generally deductible within limits set by the tax authority, but you should confirm with a tax adviser.
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