25 USC 564e - Sale of tribal property

(a) Transfer procedure 
The Secretary is authorized and directed to execute any conveyancing instrument that is necessary or appropriate to convey title to tribal property to be sold in accordance with the provisions of paragraph (3) of subsection (a) of section 564d of this title, and to transfer title to all other tribal property to a trustee, corporation, or other legal entity in accordance with the plan prepared pursuant to paragraph (5) of subsection (a) of section 564d of this title.
(b) Time limitation 
It is the intention of the Congress that all of the actions required by section 564d of this title and this section shall be completed at the earliest practicable time and in no event later than seven years from August 13, 1954.
(c) Effect on tribal members selling interests 
Members of the tribe who receive the money value of their interests in tribal property shall thereupon cease to be members of the tribe: Provided, That nothing shall prevent them from sharing in the proceeds of tribal claims against the United States.