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Arizona Public Service Co. v. Snead

441 U.S. 141 · Decided April 18, 1979 · Supreme Court of the United States

Record summary. This page is generated from the Supreme Court Database’s coded data about the case. It describes who decided what, not the Court’s reasoning. Read the opinion itself before relying on it. Not legal advice.

At a glance

Arizona Public Service Co. v. Snead was decided on April 18, 1979 unanimously (9–0). The Court reversed the lower court's decision. Justice Potter Stewart wrote the opinion of the Court. SCDB classifies its main issue as “State or local government tax” in the Economic Activity area. SCDB records that the Court declared a state or territorial law, regulation or constitutional provision unconstitutional.

Read the opinion

Case details

Citations
441 U.S. 141 · 99 S. Ct. 1629 · 60 L. Ed. 2d 106 · 1979 U.S. LEXIS 32
Docket number
77-1810
Decided
April 18, 1979
Argued
February 26, 1979
Court era
Burger Court
Decision type
Opinion of the Court (orally argued)
Disposition
Reversed
Outcome for petitioner
The petitioning party received a favorable disposition
Vote
9–0 (unanimous)
Majority opinion
Potter Stewart
Opinion assigned by
Warren E. Burger
How the case arrived
Appeal
Legal provision
Tax Reform Act of 1976, 15 U.S.C.S. ss 391
Type of law
Infrequently litigated statute
Held unconstitutional
A state or territorial law, regulation or constitutional provision
Decision direction (SCDB)
Conservative what this means

How the Justices voted

Full case caption

Arizona Public Service Co. et al. v. Snead, Director of Revenue Division, Taxation and Revenue Department of New Mexico, et al.

SCDB identifiers: case 1978-075, docket 1978-075-01.

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Source: Supreme Court Database, 2026 Release 01 (data file dated September 8, 2026). Imported into CaseTrail November 5, 2026. Coverage: decisions from the 1946 through 2025 Terms. Methodology · Report an error