Washington State Dept. of Licensing v. Cougar Den, Inc.

Decided March 19, 2019. Stephen Gerald Breyer delivered the opinion of the Court.

Docket 16-1498 · 586 U.S. 347

The Supreme Court of Washington’s judgment—that the “right to travel” provision of the 1855 Treaty Between the United States and the Yakama Nation of Indians pre-empts the State’s fuel tax as applied to Cougar Den’s importation of fuel by public highway for sale within the reservation—is affirmed.

The Court’s statement of the holding, from the opinion’s syllabus. The syllabus is prepared by the Reporter of Decisions and is not part of the opinion of the Court — read the official opinion for authority.

Read the official opinion (PDF, supremecourt.gov) (opens primary source in a new tab)

Stephen Gerald Breyer’s profile · All opinions since October Term 2017 · The Supreme Court

Source: Supreme Court of the United States, slip opinions (2019). Data last verified 2026-07-02. Informational only; verify against the primary source before relying. Not a consumer report (FCRA).