Northern Arapaho Tribe v. Harnsberger, et al, No. 09-8098 (10th Cir. 2012)
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Plaintiff-Appellant, the Northern Arapaho Tribe, sued various state and county officials in Wyoming, seeking an injunction against the state’s imposition of certain vehicle and excise taxes in an area that Appellant contended was Indian country. Appellant claimed that the state may not tax its members in Indian country, and that the Indian country status of the land was conclusively established by an earlier decision of the Wyoming Supreme Court. The district court dismissed the action with prejudice for failure to join a party under Federal Rule of Civil Procedure 12(b)(7) after determining, pursuant to Federal Rule of Civil Procedure 19(b), that two absent entities (the Eastern Shoshone Tribe and the United States) were necessary parties who could not feasibly be joined, and in whose absence the action could not proceed. The district court also concluded that the Indian country status of the land had not been conclusively determined by the earlier state litigation. Appellant appealed both determinations. Upon review, the Tenth Circuit agreed with the lower court that the dismissal of the action was proper because the Eastern Shoshone was necessary party that could not feasibly be joined, but vacated the judgment and remanded with instructions to dismiss without prejudice.
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