All land and interests in land in the State of Alaska conveyed by the Federal Government under the Alaska Native Claims Settlement Act ( 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 (), to a Native Corporation under an exchange or other conveyance, shall be deemed, notwithstanding the conveyance or exchange, to have been conveyed pursuant to that Act.43 U.S.C. 160143 U.S.C. 1608(a)1