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Saving Seaborn: Ownership Not Marriage As The Basis Of Family Taxation, Dennis J. Ventry Jr

Indiana Law Journal

One of the most famous Supreme Court tax cases celebrated its eightieth birthday last year. In Poe v. Seaborn, the Court reified two principles of the federal income tax: ownership determines tax liability and state law determines ownership. This Article affirms that family taxation continues to follow ownership, not marriage, despite the federal government’s position that the “ownership equals taxability” rule applies almost exclusively to heterosexual spouses. Verifying the vitality of this principle carries significant implications for all families, particularly nontraditional families. Under the aegis of Seaborn, the principle authorizes certain members of state-recognized relationships—marriages, domestic partnerships, civil unions—to file …