Warren Trading Post Co. v. Arizona State Tax Commission
United States Supreme Court
380 U.S. 685 (1965)
The Warren Trading Post Company (Trading Post) (plaintiff) held a license issued by the United States commissioner of Indian affairs to transact business on the Navajo reservation in the State of Arizona (defendant). Arizona levied a 2 percent tax on gross income earned by Trading Post on the reservation. Trading Post sued Arizona, claiming that federal law preempted state regulation of trade with Indians on the reservation. The Supreme Court of Arizona upheld imposition of the Arizona tax. The United States Supreme Court granted certiorari.
Rule of Law
Holding and Reasoning (Black, J.)
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