Code of Federal Regulations Title 25. Indians § 25.292.10 How does a tribe qualify as having been restored to Federal recognition?

(a) Congressional enactment of legislation recognizing, acknowledging, affirming, reaffirming, or restoring the government-to-government relationship between the United States and the tribe (required for tribes terminated by Congressional action);

(b) Recognition through the administrative Federal Acknowledgment Process under § 83.8 of this chapter;  or

(c) A Federal court determination in which the United States is a party or court-approved settlement agreement entered into by the United States.