25 U.S.C. § 3601: Findings

there is a government-to-government relationship between the United States and each Indian tribe; the United States has a trust responsibility to each tribal government that includes the protection of the sovereignty of each tribal government; Congress, through statutes, treaties, and the exercise of administrative authorities, has recognized the self-determination, self-reliance, and inherent sovereignty of Indian tribes; Indian tribes possess the inherent authority to establish their own form of government, including tribal justice systems; tribal justice systems are an essential part of tribal governments and serve as important forums for ensuring public health and safety and the political integrity of tribal governments; Congress and the Federal courts have repeatedly recognized tribal justice systems as the appropriate forums for the adjudication of disputes affecting personal and property rights; traditional tribal justice practices are essential to the maintenance of the culture and identity of Indian tribes and to the goals of this chapter; tribal justice systems are inadequately funded, and the lack of adequate funding impairs their operation; and tribal government involvement in and commitment to improving tribal justice systems is essential to the accomplishment of the goals of this chapter.