BIA link: Chitimacha Tribe of Louisiana
BIA link: Coushatta Tribe of Louisiana
BIA link: Jena Band of Choctaw Indians Petitioner #045: Jena Band of Choctaws, LA
BIA link: Tunica-Biloxi Indian Tribe Petitioner #001: Tunica-Biloxi Indian Tribe, LA
Office of Federal Acknowledgment (OFA)
The Office of Federal Acknowledgment (OFA) within the Office of the Assistant Secretary - Indian Affairs of the Department of the Interior (Department) implements Part 83 of Title 25 of the Code of Federal Regulations (25 CFR Part 83), Procedures for Federal Acknowledgment of Indian Tribes. The acknowledgment process is the Department’s administrative process by which petitioning groups that meet the criteria are given Federal "acknowledgment" as Indian Tribes and by which they become eligible to receive services provided to members of Indian Tribes.
Tribal Law and Order Act of 2010, Pub. L. 111-211
Recent U.S. Supreme Court cases have been inconsistent.
from govinfo.gov
from Congress.gov
25 U.S. Code Chapter 21 - INDIAN CHILD WELFARE from Cornell's Legal Information Institute