How to Prepare for a DOL Investigation of Your Retirement Plan
Managing a company-sponsored retirement plan comes with many responsibilities, and few are more stressful for a business owner than a notice from the Department of Labor (DOL).
While no plan sponsor wants to face an investigation, they are more common than many realize. The best way to handle a DOL investigation is to be fully prepared before one ever begins.
At Maxus Plan Solutions, we help employers build and maintain compliant, audit-ready retirement plans. While we don’t represent clients in legal matters or provide legal advice, we ensure your plan operations, documentation, and testing are in order so you can face any compliance review with confidence.
Here’s what every business owner should know about DOL investigations and how to proactively protect your retirement plan.
Why the Department of Labor Investigates Retirement Plans
The DOL is tasked with protecting the rights of retirement plan participants under the Employee Retirement Income Security Act (ERISA). As part of this responsibility, the DOL conducts investigations (also known as plan audits) to ensure employers are:
- Operating the plan according to its written terms
- Making timely and accurate contributions
- Providing required disclosures to participants
- Avoiding prohibited transactions and conflicts of interest
Most investigations are handled by the DOL’s Employee Benefits Security Administration (EBSA), which has the authority to inspect records, interview personnel, and require corrective actions.
What Triggers a DOL Investigation?
While some investigations are random, others are triggered by specific red flags. These may include:
- Late or missing contributions to participant accounts
- Errors in Form 5500 filings
- Employee complaints or whistleblower reports
- High loan default or hardship withdrawal rates
- Suspicious transaction patterns or excessive fees
Even a single misstep, such as missing a required notice deadline, can put your plan on the DOL’s radar.
What to Expect During a DOL Investigation?
A typical investigation follows a four step process:
Initial Notice – You will receive a letter requesting specific plan documents and records. These may include:
- Plan document and amendments
- Summary Plan Descriptions (SPDs)
- Payroll and contribution records
- Form 5500 filings
- Participant communications
Fieldwork Phase – The DOL may conduct on-site visits or schedule interviews with employees who manage or oversee plan operations.
Findings & Corrections – If any violations or operational errors are identified, the DOL will request that you correct them. This could involve making back contributions, issuing additional disclosures, or changing administrative procedures.
Closure – Once issues are resolved, the DOL will issue a formal letter confirming the investigation is closed.
How to Prepare Before the DOL Investigation Happens
The best time to prepare for a DOL investigation is before one begins. Here are key steps you can take now:
✅ Maintain Thorough and Accurate Records
Keep well-organized documentation of:
- Plan operations and amendments
- Payroll and contribution data
- Participant disclosures and notices
- Annual compliance testing results
At Maxus Plan Solutions, we help you maintain clear, accessible records to support full plan transparency.
✅ Review Contributions for Timeliness
Late employee deferrals are a common violation. Confirm that deposits are made as soon as administratively possible and always within the federal deadline.
✅ Ensure Your Plan Follows Its Terms
If your plan document says eligibility begins after 90 days, you must enroll participants on day 91, no later. Operating outside the written terms can create compliance issues. Maxus helps keep your operations aligned with your plan documents.
✅ Conduct Internal Compliance Checks
Schedule regular reviews with your financial advisor, recordkeeper, and third-party administrator to identify and fix any issues early.
✅ File Form 5500 Accurately and On Time
Mistakes on this annual report can raise red flags. Maxus ensures the plan-related data we manage is accurate and ready for submission.
How Maxus Plan Solutions Supports Compliance
While Maxus Plan Solutions doesn’t provide legal counsel, we play a crucial role in helping businesses stay DOL-ready. We offer:
- Plan design and documentation support
- Operational compliance guidance
- Coordination with advisors and recordkeepers
- Support for annual testing and reporting
- Audit preparedness and recordkeeping
With our expertise, you can reduce your exposure to costly compliance errors and focus on running your business.
Compliance Is a Team Effort
DOL investigations may seem intimidating, but they don’t have to be devastating. With proactive oversight, organized records, and a reliable third-party administrator like Maxus Plan Solutions, you can maintain a plan that meets your legal responsibilities and serves your employees well.
If you want peace of mind about your retirement plan’s compliance, we’re here to help.
Let’s make sure your plan is audit-ready before the DOL ever knocks on your door.