25 CFR 2.17 - Summary dismissal.
(a) An appeal under this part will be dismissed if the notice of appeal is not filed within the time specified in § 2.9(a).
(b) An appeal under this part may be subject to summary dismissal for the following causes:
(1) If after the appellant is given an opportunity to amend them, the appeal documents do not state the reasons why the appellant believes the decision being appealed is in error, or the reasons for the appeal are not otherwise evident in the documents, or
(2) If the appellant has been required to post a bond and fails to do so.