25 U.S.C. § 123: Expenditure from tribal funds without specific appropriations

No money shall be expended from Indian tribal funds without specific appropriation by Congress except as follows: Equalization of allotments, education of Indian children in accordance with existing law, per capita and other payments, all of which are hereby continued in full force and effect: Provided, That this shall not change existing law with reference to the Five Civilized Tribes.