25 CFR §1000.2375

1. (a)If a Tribe/Consortium wishes to exercise its appeal rights to the IBIA under § 1000.2351, it must file a notice of appeal to the IBIA within 30 days of receiving the initial decision or the conclusion of any non-binding informal alternative dispute resolution process.
2. (b)The Tribe/Consortium may either hand-deliver the notice of appeal to the IBIA, or mail it by certified mail, return receipt requested. If the Tribe/Consortium mails the Notice of Appeal it will be considered filed on the date the Tribe/Consortium mailed it by certified mail. The Tribe/Consortium should mail the notice of appeal to: Interior Board of Indian Appeals, Office of Hearings and Appeals, U.S. Department of the Interior, 801 N Quincy Street, Suite 300, Arlington, VA 22203.
3. (c)The Notice of Appeal must include:
   1. (1)A statement describing the Tribe's/Consortium's reasons for a review (including why the Tribe/Consortium thinks the initial decision is wrong and briefly identify the issues involved in the appeal);
   2. (2)Any supporting documentation;
   3. (3)If the Tribe/Consortium's Notice of Appeal does not include the items in paragraphs (c)(1) and (2) of this section, an indication that such a statement or documentation will be submitted within 30 days; and
   4. (4)A statement whether the Tribe/Consortium wants a hearing on the record, or whether the Tribe/Consortium wants to waive its right to a hearing.
4. (d)The Tribe/Consortium must serve a copy of the notice of appeal upon the official whose decision it is appealing. A copy of the notice of appeal must also be sent to the Director of the OSG. The Tribe/Consortium must certify to the IBIA that it has done so.
5. (e)The authorized representative of the Secretary will be considered a party to all appeals filed with the IBIA under the Act.