Cert Stage Briefs in Seminole Tribe v. Florida Dept. of Revenue

Here:

Seminole Cert Petition

Florida Cert Opp

Seminole Reply Brief

Question presented:

The question presented is whether sovereign immunity bars an American Indian tribe from seeking Ex parte Young relief from the unconstitutional enforcement of a state tax scheme merely because that relief might require refunds for taxes unlawfully collected in the future.

Lower court materials and my commentary here.