S. 621 proposes to revoke the charter of incorporation of the Lower Sioux Indian Community in Minnesota, as requested by the community itself. This action would officially annul the charter that was originally ratified on July 17, 1937, under the Indian Reorganization Act....
Simple Explanation
The bill is about a group of Native Americans in Minnesota who want to cancel a special agreement they have with the government, and the government is discussing how to make that happen.