The Nature of Federal and State Tribal Relations

In 1953, Congress enacted Public Law 83-280 (67 Stat.

Because the Constitution vested the Legislative Branch with plenary power over Indian Affairs, states have no authority over tribal governments unless expressly authorized by Congress. While federally recognized tribes generally are not subordinate to states, they can have a government-to-government relationship with these other sovereigns, as well. 

The relationship between federally recognized tribes and the United States is one between sovereigns, i.e., between a government and a government. This “government-to-government” principle, which is grounded in the United States Constitution, has helped to shape the long history of relations between the federal government and these tribal nations.