40 CFR §35.582
Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
Federal Indian reservation. All land within the limits of any Indian reservation under the jurisdiction of the United States Government, notwithstanding the issuance of any patent, and, including rights-of-way running through the reservation.
Tribe. Any Indian Tribe, band, group, or community recognized by the Secretary of the Interior, exercising governmental authority over a federal Indian reservation.