25 CFR §900.151

1. (a)Disputes which arise after a self-determination contract has been awarded, or emergency reassumption of self-determination contracts or suspension of payments under self-determination contracts, which are covered under § 900.170 through § 900.176 of these regulations.
2. (b)Other post-award contract disputes, which are covered under subpart N.
3. (c)Denials under the Freedom of Information Act, 5 U.S.C. 552, which may be appealed under 43 CFR 2 for the Department of the Interior and 45 CFR 5 for the Department of Health and Human Services; and
4. (d)Decisions relating to the award of discretionary grants under section 103 of the Act, which may be appealed under 25 CFR 2 for the Department of the Interior, and under 45 CFR 5 for the Department of Health and Human Services.