On the same day the Supreme Court handed down its decision in Kennedy v. Plan Administrator for DuPont Savings and Investment Plan, the Court confirmed a principle that catches many families off guard: a beneficiary designation on a retirement account controls who receives the money, even when a divorce decree or a will says otherwise. The ruling, issued on January 26, 2009, reinforced decades of federal law that puts plan documents above state probate rules. For anyone with a 401(k), IRA, or federal retirement account, the name on that form is the name that gets paid, regardless of what an estate plan says.
Federal Law Puts Beneficiary Forms Above Wills and Divorce Decrees
The tension is straightforward. Many people assume a will is the final word on who inherits their assets. Retirement accounts operate under a different set of rules. The Employee Retirement Income Security Act (ERISA) requires fiduciaries to act “in accordance with the documents and instruments governing the plan” under 29 U.S.C. Section 1104(a)(1)(D). That statutory language means a plan administrator must follow the beneficiary designation on file, not a state court order or a last will and testament, whenever the two conflict.
Three Supreme Court decisions spanning nearly three decades have drawn this line with increasing clarity. In Ridgway v. Ridgway, decided January 19, 1981, the Court held that a federal military life insurance beneficiary designation prevails over state divorce decree obligations, and that the insured holds a federally protected right to name and change beneficiaries. Twenty years later, in Egelhoff v. Egelhoff, decided April 21, 2001, the Court ruled that state revocation-on-divorce statutes are preempted when they attempt to alter ERISA-governed plan payouts. Plan administrators must follow plan documents and beneficiary designations rather than varying state probate-type rules.
Kennedy continued this pattern. The participant had named his then-wife as beneficiary of his DuPont savings and investment plan. Years later, their divorce decree included a waiver in which she purported to give up any interest in the plan. However, he never changed the beneficiary designation under the plan’s procedures. After his death, the plan administrator paid the account to the ex-spouse on the basis of the existing form. The Supreme Court held that ERISA required this outcome: the administrator was obligated to follow the plan documents and the beneficiary designation on record, not the separate divorce waiver.
The result can feel harsh. A participant who divorces and signs a waiver, but never updates the beneficiary form, leaves the ex-spouse as the legal recipient. Courts have consistently refused to override that result in favor of children, new spouses, or an estate that appears more “fair” in light of changed circumstances. Under ERISA, administrative certainty and uniform federal rules take precedence over case-by-case equitable adjustments.
Federal Retirement Accounts Follow the Same Designation-First Rule
The principle extends beyond private-sector 401(k) plans. The Thrift Savings Plan (TSP), the retirement savings vehicle for federal employees and military members, pays death benefits according to the beneficiary form on file. If no designation exists, the TSP follows a statutory order of precedence set out in federal regulations and explained in the Office of Personnel Management’s guidance on the TSP payment hierarchy. But once a valid beneficiary designation is in place, that form governs who receives the account, even if a will or divorce decree points in a different direction.
That structure mirrors the Supreme Court’s ERISA jurisprudence. Administrators are expected to rely on the records they maintain, not to interpret family law documents or reconstruct a deceased participant’s probable intent. This reduces administrative costs, promotes uniform treatment across states, and gives participants a clear, predictable mechanism for directing their retirement savings.
For families, however, the implications can be unsettling. A participant may assume that signing a divorce decree or revising a will is enough to cut off an ex-spouse’s rights. Under Kennedy and its predecessors, that assumption is wrong where retirement plans are concerned. The only reliable way to change who inherits a qualified plan or federal retirement account is to file a new beneficiary designation that complies with the plan’s procedures.
Practical Lessons for Participants and Families
The Supreme Court’s message is less about abstract legal doctrine and more about paperwork. Participants need to review and update beneficiary forms at major life events: marriage, divorce, birth or adoption of a child, death of a named beneficiary, or significant changes in family relationships. Relying on a will, a property settlement, or informal understandings is not enough where ERISA plans and federal retirement accounts are involved.
Family members and advisers should also recognize the limitations on post‑death challenges. Once a participant dies with a beneficiary form in place, litigation options are narrow and usually unsuccessful when they ask courts to disregard clear plan documents. The most effective planning happens while the participant is alive and able to sign new designations.
Kennedy, Ridgway, and Egelhoff collectively underscore a simple but powerful rule: in the world of retirement benefits, the beneficiary form is king. Anyone counting on those assets to support loved ones should make sure the right names are on the right forms-and revisit them before life changes turn old paperwork into an unwelcome surprise.
