43 U.S.C. § 1613a
ANCSA amendment
All land and interests in land in the State of Alaska conveyed by the Federal Government under the Alaska Native Claims Settlement Act (43 U.S.C. 1601 et seq.) to a Native Corporation and reconveyed by that Native Corporation, or a successor in interest, in exchange for any other land or interest in land in the State of Alaska and located within the same region (as defined in section 9(a) of the Alaska Native Claims Settlement Act (43 U.S.C. 1608(a)),1