Law of Arizona and of subject Indian tribe was applicable to state's and Indian communities' claims related to Gaming Compact in their suit to enjoin tribe from constructing and operating major casino on unincorporated land within outer boundaries of city on grounds that proposed casino violated such compact; Indian Gaming Regulatory Act (IGRA) called for compacts to be negotiated between individual states and tribes and no uniform national compact had been prescribed by Congress, compact was negotiated in Arizona, would be performed on tribal land within Arizona, gaming that was subject of compact would occur in Arizona, and both parties to compact were domiciled in Arizona. Arizona v. Tohono O'odham Nation, D.Ariz.2013, 944 F.Supp.2d 748, reconsideration denied, affirmed 818 F.3d 549. Indians Key Number Symbol 337(3)