25 CFR 262.7 - Notice to Indian tribes of possible harm to cultural or religious sites.
When consent by an Indian tribe to proposed excavation or removal of archaeological resources from Indian lands it owns or over which it has jurisdiction contains all of the information written as prescribed and advised in § 262.5(c)(1), it may be taken to mean that subject to such terms and conditions as the tribe might specify, issuance of a permit for the proposed work will not result in harm to, or destruction of, any site of religious or cultural importance. No further notification is necessary, unless the Area Director has reason to believe that the proposed work might harm or destroy a site of religious or cultural importance to another tribe or Native American group. He or she shall then follow the notification procedures at 43 CFR 7.7. Those procedures must also be followed when proposed work might affect lands of Indian individuals over which there is no tribal jurisdiction or public lands owned or administered by the BIA.