25 CFR 150.402: How must records associated with this part be preserved?

(a) Tribes, Tribal organizations, and any other organization that make or receives records described in § 150.401(a) must preserve the records in accordance with approved Departmental records retention procedures under the Federal Records Act, 44 U.S.C. chapters 29, 31 and 33. These records and related records management practices and safeguards required under the Federal Records Act are subject to inspection by the Secretary and the Archivist of the United States.

(b) A Tribe or Tribal organization should preserve the records identified in § 150.401(b) for the period of time authorized by the Archivist of the United States for similar Department of the Interior records in accordance with 44 U.S.C. chapter 33.