The regulations in chapter I of title 25 of the Code of Federal Regulations are of general application. Notwithstanding any limitations contained in the regulations of this chapter, the Secretary retains the power to waive or make exceptions to his regulations as found in chapter I of title 25 CFR in all cases where permitted by law and the Secretary finds that such waiver or exception is in the best interest of the Indians. 25 C.F.R. §1.2 25 FR 3124, Apr. 12, 1960
For a tribe to qualify as having been restored to Federal recognition for purposes of § 292.7 , the tribe must show at least one of the following: (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