Part B - Tax Treatment

25 USC 1715 - Exemption from taxation

(a) General exemption 
Except as otherwise provided in subsections (b) and (c) of this section, the settlement lands received by the State Corporation shall not be subject to any form of Federal, State, or local taxation while held by the State Corporation.
(b) Income-producing activities 
The exemption provided in subsection (a) of this section shall not apply to any income-producing activities occurring on the settlement lands.
(c) Payments in lieu of taxes 
Nothing in this subchapter shall prevent the making of payments in lieu of taxes by the State Corporation for services provided in connection with the settlement lands.

25 USC 1716 - Deferral of capital gains

For purposes of title 26, any sale or disposition of private settlement lands pursuant to the terms and conditions of the settlement agreement shall be treated as an involuntary conversion within the meaning of section 1033 of title 26.