25 USC 608a - Sale of tribal trust lands, etc.

(a) Title subsequent to sale 
Title to tribal trust lands, interests, improvements, or rights sold by the Secretary to individual members of the Yakima Tribes or exchanged by the Secretary for lands held under trust patent or other restrictions against alienation by individual members of the tribes and other Indians or for lands in heirship status shall be held by the United States in trust for the individual Indian or Indians concerned.
(b) Credit of proceeds to tribal funds 
Sums derived from the sale of tribal trust lands interests, improvements, and rights shall be credited to the tribal funds of the Yakima Tribes.