Section 300.707 - Use of amounts by Secretary of the Interior(a)Definitions. For purposes of §§ 300.707 through 300.716 , the following definitions apply:(1)Reservation means Indian Country as defined in 18 U.S.C. 1151 .(2)Tribal governing body has the definition given that term in 25 U.S.C. 2021(19) .(b)Provision of amounts for assistance. The Secretary provides amounts to the Secretary of the Interior to meet the need for assistance for the education of children with disabilities on reservations aged 5 to 21, inclusive, enrolled in elementary schools and secondary schools for Indian children operated or funded by the Secretary of the Interior. The amount of the payment for any fiscal year is equal to 80 percent of the amount allotted under section 611(b)(2) of the Act for that fiscal year. Of the amount described in the preceding sentence, after the Secretary of the Interior reserves funds for administration under § 300.710 , 80 percent must be allocated to such schools by July 1 of that fiscal year and 20 percent must be allocated to such schools by September 30 of that fiscal year.(c)Additional requirement. With respect to all other children aged 3 to 21, inclusive, on reservations, the SEA of the State in which the reservation is located must ensure that all of the requirements of Part B of the Act are implemented. Authority: 20 U.S.C. 1411(h)(1)