Retirement Retirement Planning

Trump Just Rolled Back This Biden-Era 401(k) Rule - Here's What it Means

Every American worker needs to know about this.

By Catherine Collins , Edited by Amanda Machado

Updated March 30, 2026

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President Trump recently changed a Biden-era 401(k) rule about fiduciary responsibilities. A fiduciary is a person who is required by law to act in your best interest. During the Biden administration, there was increased regulation regarding fiduciaries and 401(k) retirement plans. The Biden administration wanted to expand and enhance those consumer protections, but the Trump Administration rolled back many of those changes.

The reason the Trump administration stopped several fiduciary policy changes is that President Trump favors deregulation, and many critics of the Biden-era fiduciary rules argued that it would increase compliance costs and make it harder for many people to get financial advice. Here is more information about the fiduciary rule changes and how it will impact Americans, especially when they need to make significant financial decisions, such as rolling over a 401(k) or choosing which assets to purchase in their plans.

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The Biden-Era 401(k) Retirement Security Rule

In April 2024, the Biden administration created the Retirement Security Rule. The goal of this ruling was to formalize the role of a fiduciary in the Employee Retirement Income Security Act (ERISA) code. The Retirement Security rule required service providers that gave financial advice to 401(k) plan participants to act in the best interests of consumers.

This ruling replaced a 1975 fiduciary law that came about before the popularity of 401(k) investing plans. The goal was to further protect investors from investment professionals with competing interests, especially when investors purchased annuities or initiated 401(k) rollovers.

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Several industry groups sued over Biden's Retirement Security Rule

Biden's Retirement Security Rule did not get the opportunity to take effect. As soon as the Biden administration issued the rule, several industry groups filed lawsuits, and judges issued a stay pending resolution of the issue.

The groups alleged that the proposed fiduciary rule was unconstitutional and would increase costs for customers due to higher liability and compliance requirements. As President Trump entered his second term, the Trump Administration rolled back many Biden-era policies, including this one.

President Biden's Retirement Security Rule Overturned in Court

In March 2026, a federal judge issued a final judgment on the Retirement Security Rule, deciding to roll back fiduciary rules to what they were in 1975. The decision put an end to the Biden administration's proposed policies that would have placed higher requirements on financial professionals.

As a result, fiduciary obligations have not changed dramatically from previous years. However, it also means consumers might not be working with a fiduciary when inquiring about 401(k) changes, like rollovers.

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Changes in fiduciary rules set the stage for alternative investments

This change and the fiduciary rules set the stage for the Trump administration's broader trend towards deregulation, especially regarding retirement account policies. With less red tape and fewer restrictions, there is more room to add different types of investments to 401(k) retirement accounts.

For example, President Trump issued a letter asking the SEC to consider allowing alternative investments, such as cryptocurrency and private equity, in 401(k) accounts. Other lawmakers have opposed this change, saying it is not in the best interests of consumers, who might not understand the volatility of alternative investments.

How the fiduciary rule rollback impacts financial advice

Rolling back fiduciary rules and reducing compliance could impact investors' decision-making. That's because financial advisors or plan administrators may not be required to provide advice in the customer's best interest. That does not mean professionals will not give helpful advice, but it does mean consumers have to be more aware when choosing their investments and deciding which advice to take.

What 401(k) investors need to know about current fiduciary standards.

According to data from Fidelity Investments, 43% of Americans have 401(k)s. That means millions of people rely on a 401(k) to help them save and invest for retirement. Investors should not assume that all financial advice they receive is in their best interest. Taking an active approach, asking specific questions, and checking whether a financial advisor is acting in a fiduciary capacity can all go a long way toward helping ensure that people make the best decisions for their future.

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How to stay informed about 401(k) regulation changes

It's important that employees stay informed about 401(k) regulations and any new policy changes; they should open any messages from their employers or Human Resources departments regarding their 401(k)s. Additionally, if they need specific advice from a professional, consulting a financial planner who's a fiduciary or an accountant can help.

Bottom line

During the first Trump Administration, President Trump issued orders to reduce red tape and compliance measures in several key areas. In his second term, he rolled back several other Biden-era rules, including the Retirement Security Rule.

There are pros and cons to these decisions, but ultimately, they show that investors are more responsible for their investments and the outcomes of their 401(k) contributions. Those who wish to have a stress-free retirement would be wise to vet financial professionals very carefully before following advice.

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