25 U.S. Code § 745 - Tribal property
Title to any tribal property that is not transferred in accordance with the provisions of subsection (a) of this section shall be transferred by the Secretary either to all members of the tribe as tenants in common or to one or more trustees designated by him for the liquidation and distribution of assets among the members of the tribe under such terms and conditions as the Secretary may prescribe: Provided, That the trust agreement shall provide for the termination of the trust not more than three years from the date of such transfer unless the term of the trust is extended by order of a judge of a court of record designated in the trust agreement.
When approving or disapproving the selection of trustees in accordance with the provisions of subsection (a) of this section, and when designating trustees pursuant to subsection (b) of this section, the Secretary shall give due regard to the laws of the State of Utah that relate to the selection of trustees: Provided further, That the trust agreement shall provide that at any time before the sale of tribal property by the trustees the tribe may notify the trustees that it elects to retain such property and to transfer title thereto to a corporation, other legal entity, or trustee in accordance with the provisions of paragraphs (1) and (2) of subsection (a) of this section, and that the trustees shall transfer title to such property in accordance with the notice from the tribe if it is approved by the Secretary.
Notwithstanding any other provision of this section, the Secretary is directed to reserve subsurface rights in tribal property from any sale or division of such property, and to require any trustee or trustees to whom title to tribal property is transferred to retain title to the subsurface rights in such property for not less than 10 years.
Act Sept. 1, 1954, ch. 1207, § 22, 68 Stat. 1104, provided that not later than two years after Sept. 1, 1954, the management and operation of irrigation works for Indian lands of the tribe by the Bureau of Indian Affairs was to be discontinued, and that, upon such discontinuance, the Secretary was to cancel the unpaid irrigation operation and maintenance assessments and reimbursable irrigation construction charges against such lands and transfer the title to such irrigation works to water users, water user’s associations organized for such purpose, or to corporations organized, or trustees designated, as provided in this section.