United States Court of Appeals for the Ninth Circuit
641 F.3d 339 (2011)
The Arizona Legislature passed S.B. 1070, a state law designed to deter the unlawful entry and presence of illegal aliens in the state. Before the law went into effect, the federal government (plaintiff) filed suit against the State of Arizona (defendant) in district court and sought a preliminary injunction to prohibit the implementation of four specific provisions of the statute. The federal government argued that the federal immigration law scheme preempted Arizona’s new immigration law and that the law violated the Federal Commerce Clause. The district court granted the government's request for an injunction. Arizona appealed.
Rule of Law
Holding and Reasoning (Paez, J.)
Concurrence (Noonan, J.)
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