This act, 25 USC 3001-3013, permits the intentional removal from, or excavation of, Native American cultural items from Federal or tribal lands for purposes of discovery, study, or removal only if:
1. such items are excavated or removed pursuant to a permit issued which must be consistent with this act
2. such items are excavated or removed after consultation with or, in the case of tribal lands, consent of the appropriate (if any) Indian tribe or Native Hawaiian organization
3. the ownership and right of control of the disposition of such items must be as provided in subsections (a) and (b) of this section
4. proof of consultation or consent is shown .
Each Federal agency and museum which has possession or control over holdings or collections of Native American human remains and associated funerary objects must compile an inventory of such items and, to the extent possible, identify the geographical and cultural affiliation of such item. Each Federal agency or museum that has possession or control over holdings or objects of Native American unassociated funerary objects, sacred objects, or objects of cultural patrimony must provide a written summary of such objects based on available information held by such agency or museum.