This supplement updates the foundational text on the legal status and rights of Native American tribes. It addresses legislative changes, court decisions, and administrative rulings that have occurred since the publication of the third edition in 1991, providing essential updates for legal practitioners, scholars, and students of American Indian law.

This supplement is regarded as an indispensable tool for anyone engaged with American Indian law, offering a crucial update to a standard casebook. It is valued for its comprehensive inclusion of recent legal developments, ensuring practitioners and academics have access to the most current information. The material is presented to facilitate understanding of the complex and evolving legal landscape governing Native American tribes. Its utility lies in bridging the gap between the 1991 main edition and the contemporary legal environment.