170.232—How does a tribe appeal a disapproval from the BIA Regional Director?
(a)
Within 30 days of receiving a disapproval, or within 30 days of a disapproval by non-action of the BIA Regional Director, a tribe may file a written notice of appeal to the Director, Bureau of Indian Affairs, with a copy provided to the BIA Regional Director; and
(b)
Within 30 days of receiving an appeal, the Director, Bureau of Indian Affairs must issue a written decision upholding or reversing the BIA Regional Director's disapproval. This decision must include a detailed written explanation of the reasons for the disapproval, copies of any supporting documentation that the Director, Bureau of Indian Affairs relied upon in reaching the decision (other than the tribe's request or notice of appeal), and notice of the tribe's right to appeal the decision to the Interior Board of Indian Appeals under 25 CFR part 2.