Published on Apr 7th, 2026 |

DOL Proposes New Fiduciary Framework for 401(k) Investment Selection

News and Alerts

Introduction

The U.S. Department of Labor’s (DOL) proposed rule on “Fiduciary Duties in Selecting Designated Investment Alternatives” seeks to clarify how fiduciaries should evaluate and select investment options in participant-directed retirement plans, such as 401(k)s.

The proposal reinforces that fiduciary responsibility under ERISA is grounded in a prudent, well-documented decision-making process, and introduces a principles-based safe harbor framework designed to provide greater clarity and consistency in how investment options are assessed.

Key Takeaways from the Proposed Rule

Key Takeaways from the Proposed Rule

1. Process-Driven Safe Harbor Framework

  • The proposed rule introduces a safe harbor centered on fiduciary process. Fiduciaries that follow a prudent, well-documented approach to evaluating investment options may rely on this framework to demonstrate compliance with ERISA’s duty of prudence.
  • The focus is on how decisions are made, rather than investment outcomes alone.

2. Clarification of Relevant Evaluation Considerations

  • The proposal highlights key considerations fiduciaries typically assess when selecting investments, such as:
    • Fees and expenses
    • Historical performance
    • Liquidity
    • Valuation characteristics
    • Risk and complexity
  • These are not presented as a rigid checklist, but rather as common elements of a prudent review process that should be applied consistently and thoughtfully.

3. Asset-Neutral Approach

  • The rule does not prescribe or prohibit specific asset classes. Instead, it affirms that fiduciaries may evaluate a broad range of investments under the same prudence standard, based on the needs of the plan and its participants.

4. Clarification Around Broader Investment Opportunities

  • By emphasizing a consistent evaluation framework, the proposal may reduce uncertainty around the inclusion of more complex or less traditional investment strategies within diversified plan options.
  • Any such inclusion remains subject to the same prudent process and fiduciary judgment requirements.

5. Increased Emphasis on Documentation and Governance

  • The proposal underscores the importance of maintaining clear documentation of the fiduciary process, including how investment options are reviewed, selected, and monitored over time.
  • Strong governance practices remain central to demonstrating compliance.

Vigilant's Conclusion

Vigilant’s Conclusion

The proposed rule reinforces a consistent theme in ERISA compliance: a well-structured and well-documented fiduciary process is the foundation of meeting regulatory expectations.

While the framework provides helpful clarification and flexibility, it also places greater emphasis on how firms document, apply, and evidence their decision-making practices. Firms that take advantage of this flexibility particularly when evaluating more complex investment options will need to ensure their governance frameworks are robust and consistently applied.

Vigilant supports Firms by helping to design and implement practical, defensible fiduciary processes aligned with regulatory expectations, including:

  • Development and enhancement of investment review frameworks
  • Strengthening policies and procedures
  • On-Going Compliance Support and documentation practices

As the regulatory landscape evolves, Firms that prioritize structure, consistency, and documentation will be better positioned to navigate change with confidence.

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