25 CFR §83.43

1. (a)AS-IA will issue a final determination granting acknowledgment as a federally recognized Indian tribe when AS-IA finds that the petitioner meets the Governing Document (§ 83.11(d)), Descent (§ 83.11(e)), Unique Membership (§ 83.11(f)), and Congressional Termination (§ 83.11(g)) Criteria and:
   1. (1)Demonstrates previous Federal acknowledgment under § 83.12(a) and meets the criteria in § 83.12(b); or
   2. (2)Meets the Indian Entity Identification (§ 83.11(a)), Community (§ 83.11(b)) and Political Authority (§ 83.11(c)) Criteria.
2. (b)AS-IA will issue a final determination declining acknowledgement as a federally recognized Indian tribe when he/she finds that the petitioner:
   1. (1)In Phase I, does not meet the Governing Document (§ 83.11(d)), Descent (§ 83.11(e)), Unique Membership (§ 83.11(f)), or Congressional Termination (§ 83.11(g)) Criteria: or
   2. (2)In Phase II, does not:
      1. (i)Demonstrate previous Federal acknowledgment under § 83.12(a) and meet the criteria in § 83.12(b); or
      2. (ii)Meet the Indian Entity Identification (§ 83.11(a)), Community (§ 83.11(b)) and Political Authority (§ 83.11(c)) Criteria.