Checking Contribution Timing: Are Employee Deferrals Being Deposited Promptly?

When employees choose to defer part of their pay into your 401(k) plan, they’re trusting that those dollars move from payroll into the plan quickly and consistently. Timely deposits of employee deferrals are a core responsibility for business owners and plan sponsors, and mid‑year is an excellent time to confirm that your processes are working as intended.

Why contribution timing matters

Once salary deferrals are withheld from paychecks, they are intended to become plan assets and be deposited into the 401(k) as soon as they can reasonably be separated from the company’s general funds. Delays can reduce potential investment earnings for participants and may create compliance issues that could require corrections, reporting, or even excise taxes.

For smaller plans with fewer than 100 participants, federal rules provide a safe harbor that treats deposits made within seven business days after payday as timely. For larger plans, there is no fixed safe harbor; instead, contributions are expected to be deposited as soon as reasonably possible, often interpreted as just a few business days after payroll.

Mid‑year questions to ask about deposit timing

A mid‑year review can focus on simple but important questions:

• How many days typically pass between payroll and deposit?
  Review actual deposit dates, not just written procedures, to see how quickly deferrals move from paychecks into the plan.
• Is your practice consistent with the “as soon as reasonably possible” standard?
  If deposits routinely lag more than a few business days when systems could allow faster deposits, that may indicate a need to tighten processes.
• If your plan is small, are you staying within the seven‑business‑day safe harbor?
  For plans under 100 participants, deposits within seven business days are generally considered timely, which can simplify compliance.
• Do written procedures match what actually happens?
  If your plan document or internal policies specify a deposit standard, confirm that your payroll and treasury practices follow that standard in real life.

A practical mid‑year review process

To make this manageable, business owners can take a step‑by‑step approach:

1. Pull recent payroll and deposit records.
   Select several pay periods from earlier in the year and note the pay dates and corresponding deposit dates for employee deferrals.
2. Calculate actual deposit timing.
   For each pay period, count how many business days elapsed between payroll and deposit. Compare those counts to your internal procedures and to applicable standards and safe harbors.
3. Identify any patterns or delays.
   Look for pay periods where deposits took noticeably longer than usual or fell outside your intended timeframe. Note any recurring causes, such as staffing changes, system issues, or manual steps that slow the process.
4. Strengthen procedures where needed.
   If delays appear, consider updating your processes so that deferrals are deposited as soon as administratively feasible—ideally within just a few business days after payroll, and within the seven-day safe harbor if applicable.

Addressing late deposits

If you discover that some deferrals were not deposited as promptly as intended, it is generally important to address the issue rather than ignore it:

• Transmit any outstanding employee contributions to the plan as soon as possible.
• Work with your service providers to determine whether additional steps may be appropriate, such as calculating and contributing lost earnings or reporting late deposits in required filings.
• Update payroll and deposit procedures to prevent similar delays in the future, possibly by automating steps or tightening internal timelines.

The specifics of any correction depend on the size of your plan, the length and cause of the delay, and guidance from qualified professionals.

Building a habit of monitoring contribution timing

Contribution timing is not just a once-and-done compliance item. As your business grows and systems evolve, it can be helpful to periodically check that deposits remain prompt and consistent with current rules and expectations. Making a mid-year review of deposit timing part of your regular oversight can help keep your 401(k) plan functioning smoothly for both you and your employees.

Want help reviewing your contribution timing?
If you’d like help reviewing your contribution timing, call our team at 901.435.4250 to schedule a conversation about your retirement plan. Duncan Williams Asset Management can help you walk through your current process, understand the standards that apply to your plan, and identify areas where additional professional input may be useful.

Sources & further reading

• Retirement topics – Contributions (general rules on depositing employee contributions): https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-contributions[irs]
• 401(k) Plan Fix‑It Guide – Late employee elective deferrals: https://www.irs.gov/retirement-plans/401k-plan-fix-it-guide-you-havent-timely-deposited-employee-elective-deferrals[irs]
• 401(k) Deferral Deposit Deadlines (overview of deposit timing and small‑plan safe harbor): https://www.dwc401k.com/knowledge-center/deposit-deadline-401k-deferrals[dwc401k]
• Timely Remittance of Salary Deferrals for a 401(k) Plan: https://www.rklcpa.com/timely-remittance-of-salary-deferrals-for-a-401k-plan/[rklcpa]
• The Importance of Timely Deposits (safe harbor for small plans): https://sponsor.fidelity.com/pspublic/pca/psw/public/library/manageplans/the-importance-of-timely-deposits.html[sponsor.fidelity]
• 401(k) Deposit Rules – Timelines & Employer Responsibilities: https://www.farther.com/foundations/401-k-deposit-rules-timelines-employer-responsibilities[farther]

Disclosure

This material is provided for educational and informational purposes only and does not constitute investment, tax, or legal advice. It is not intended to be, and should not be construed as, a recommendation to adopt any specific plan design, investment, or strategy. The information here is general in nature and may not reflect the current rules or guidance applicable to your specific situation. Business owners and plan sponsors should consult with their own qualified tax advisors, legal counsel, and retirement plan professionals before making any decisions related to their 401(k) or other retirement plans.

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