Florida’s Seminole Tribe on Monday filed an appellant brief seeking standing in a federal court case that could determine the future of legal sports betting in the state. The tribe is appealing the court’s ruling that it is not a necessary party. If the Seminoles are granted their appeal, the tribe would likely move to have the case dismissed based on its claim of sovereign immunity.

The case in U.S. Court of Appeals for the District of Columbia pits two Florida parimutuels against U.S. Department of the Interior Secretary Deb Haaland. The case seeks to uphold a previous federal district court ruling that the Seminole Tribe’s 2021 compact with the state of Florida is invalid, meaning that the tribe does not have the right to offer digital sports betting.