25 U.S.C. § 104: Purchase of articles manufactured at schools

The Secretary of the Interior is authorized, whenever it can be done advantageously, to purchase for use in the Indian Service, from Indian manual and training schools, in the manner customary among individuals such articles as may be manufactured at such schools, and which are used in the Indian Service. Accounts of such transactions shall be kept in the Indian Bureau and in the training schools, and reports thereof made from time to time.