25 U.S. Code § 279 - Rations to mission schools
Mission schools on an Indian reservation may, under rules and regulations prescribed by the Commissioner of Indian Affairs, receive for such Indian children duly enrolled therein, the rations of food and clothing to which said children would be entitled under treaty stipulations if such children were living with their parents.
For transfer of functions of other officers, employees, and agencies of Department of the Interior, with certain exceptions, to Secretary of the Interior, with power to delegate, see Reorg. Plan No. 3 of 1950, §§ 1, 2, eff. May 24, 1950, 15 F.R. 3174,64 Stat. 1262, set out in the Appendix to Title 5, Government Organization and Employees.