October Term 2005 · Docket 04-631

Can Kansas tax fuel sold on tribal land?

Kansas claims its fuel tax applies to sales on tribal land. The tribe argues state law cannot reach that territory.

Official caption
Wagnon v. Prairie Band Potawatomi Nation
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Verified source milestones

  1. — An official oral-argument transcript was verified.
  2. — An official oral-argument transcript was verified.

The arguments, in order

This case may have been argued more than once. Each entry below uses that session's official transcript. Later arguments do not erase earlier ones.

  1. Argument 1 ·

    What happened at the argument

    Kansas argues its tax targets distributors off-reservation.

    The tribe argues state law cannot reach tribal trust land.

    justice_breyer_questioned_tax_structure

    justice_breyer_questioned_retailer_impact

    Read the official transcript for this argument · Official argument details

    Sources used for this argument breakdown

A citizen's guide to the whole case

What this case is about

Kansas imposes a tax on fuel distributors. The Prairie Band Potawatomi Nation imposes a separate tax on tribal stations. The parties dispute whether state law can tax sales on tribal trust land.

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How the case got here

The Supreme Court heard oral argument in this case on October 3, 2005.

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What each side wants

Kansas wants the Court to uphold its fuel tax on tribal sales.

The tribe wants the Court to strike down the state tax on its land.

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What each side says

Kansas argues its tax legally targets distributors off-reservation.

The tribe argues state law cannot tax sales on tribal trust land.

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What the justices asked

Justice Breyer asked how the tribe responds to the state's tax structure.

Justice Breyer questioned whether the tax effectively targets local retailers.

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Why it matters

This case defines the boundary of state taxing power over tribal land. It determines whether states can tax commercial activity on reservations. The outcome shapes federalism and tribal sovereignty.

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What happens next

This article currently covers the argument record. Use the official docket link for later case activity.

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Official Court provenance

Official docket and case history · Official Supreme Court oral-argument detail page

Title and summary sources

Revision history

  1. Revision 1 · Official Transcript ·

    Correction: Rewritten to the concise citizen-facing editorial standard.

  2. Revision 2 · Official Transcript ·

    Correction: Migrated to the dated official Court activity contract without model use.

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