4.318—Scope of review.
An appeal will be limited to those issues that were before the administrative law judge or Indian probate judge upon the petition for rehearing, reopening, or regarding tribal purchase of interests, or before the BIA official on review. However, except as specifically limited in this part or in title 25 of the Code of Federal Regulations, the Board will not be limited in its scope of review and may exercise the inherent authority of the Secretary to correct a manifest injustice or error where appropriate.