25 CFR §1000.2355

Every decision in any of the areas listed in § 1000.2345 must contain information which shall tell the Tribe/Consortium where and when to file the Tribe's/Consortium's appeal. Each decision shall include the following statement: Within 30 days of the receipt of this decision, you may request non-binding informal alternative dispute resolution, such as an informal conference under § 1000.2320, or file an appeal of the initial decision of the Department in accordance with subpart R of this part. Alternatively, you may file an action in Federal court pursuant to 25 U.S.C. 5331.