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Foster v. Love

Updated Oct 19, 2026

In brief

Louisiana could not use an October open primary to finally elect members of Congress before the national November election day.

Where it stands
Decided

Decided 9-0 · December 2, 1997 · Opinion by Justice Souter

What it’s about
Louisiana's election system allowed congressional candidates to be elected in an October open primary if they received a majority of the vote.
Who it affects
Louisiana congressional candidates and voters could not treat the October primary as the final election. Even a candidate with more than half the vote had to be chosen through an election process consistent with the federal November election day.

Summary: written with AI from the case record.

Illustration for Foster v. Love
Conceptual illustration · AI-generated

What it's about

The Supreme Court ruled that this system violates federal law because it effectively holds a federal election before the uniform national election day in November.

The case enforced Congress's choice of a single national day for federal elections.

Question presented

Does Louisiana's open primary violate the federal statutes that establish a uniform federal election day?

What the Court decided

Holding

Louisiana's statute conflicts with federal law to the extent that it is applied to select a congressional candidate in October. 90 F. 3d 1026, affirmed.

Result
Affirmed

The vote

  • Joined the judgment
  • Wrote an opinion
Majority · 9joined the Court's opinion
  1. Rehnquist
  2. Stevens
  3. O'Connor
  4. Scalia
  5. Kennedy
  6. Souterwrote the opinion
  7. Thomas
  8. Ginsburg
  9. Breyer
9 justices joined the judgment.

What's next

The Court finished the case. Louisiana's congressional election procedures had to comply with the federal requirement for a uniform November election day.

Documents

1

Opinions

  • Foster

    Souter, Rehnquist, Stevens, O'Connor, Ginsburg, Breyer

View the full docket on supremecourt.gov

Docket activity

8
  • New analysis added

    Oct 19, 2026 · Court records

  • AI analysis generated: Impact Analysis

    Oct 19, 2026 · Generated

  • AI analysis generated: Opinion Summary

    Oct 19, 2026 · Generated

  • AI analysis generated: Decision Record

    Oct 19, 2026 · Generated

  • New analysis added

    Sep 3, 2026 · Court records

Show 3 more
  • AI analysis generated: Case Briefing

    Sep 3, 2026 · Generated

  • Case data updated: term, status, opinion_date

    Jul 25, 2026 · Court records

  • Opinion added: Foster

    Dec 2, 1997 · Court records

More questions

3
What did the Supreme Court rule in Foster v. Love?
The Court ruled that Louisiana's October open primary could not elect congressional candidates before the federal November election day.
Who was affected by Foster v. Love?
Louisiana congressional candidates and voters were affected because an October majority could not end the federal election process.
What happened after Foster v. Love was decided?
The Court completed the case. Louisiana had to use congressional election procedures consistent with the federal November election day.

Sources

Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.

Checked Sep 3, 2026Methodology

Court records and filings

Reporting and analysis