1. The district court did not err in concluding that tribal courts should have first opportunity to determine whether they have jurisdiction to hear actions based on the Family and Medical Leave Act.
See Iowa Mut. Ins. Co. v. LaPlante,
*976
The absence of any ongoing litigation over the same matter in tribal courts does not defeat the tribal exhaustion requirement.
See United States v. Plainbull,
2. Nor did the district court err in concluding that the tribal exhaustion requirement also applies to issues of tribal sovereign immunity. Determining whether the tribe has waived immunity, or whether Congress has abrogated its immunity, requires “a careful study of the application of tribal laws, and tribal court decisions.”
Stock West Corp. v. Taylor,
3. But the district court erred when, instead of simply staying the federal action, it granted Spirit Mountain’s motion to dismiss
for lack of jurisdiction
under Fed.R.Civ.P. 12(b)(1).
See Iowa Mut. Ins. Co.,
AFFIRMED in part, REVERSED in part and REMANDED. No costs.
