authorized under section 4109(a) of such Act may use not more than 25 percent of the subgrant funds for purchasing technology infrastructure as described in such section 4109(b): Provided further , That amounts made available under this heading to a State agency awarding such subgrants shall remain available until September 30, 2019. Indian education For expenses necessary to carry out, to the extent not otherwise provided, title VI, part A of the ESEA , $165,239,000, of which $57,993,000 shall be for subpart 2 of part A of title VI and $6,865,000 shall be for subpart 3 of part A of title VI. Innovation and improvement For carrying out activities authorized by subparts 1, 3 and 4 of part B of title II, and parts C and D and subparts 1 and 4 of part F of title IV of the ESEA, $880,375,000: Provided , That $253,815,000 shall be for subparts 1, 3 and 4 of part B of title II and shall be made available without regard to sections 2201, 2231(b) and 2241: Provided further , That $531,560,000 shall be for parts C and D and subpart 4 of part F of title IV, and shall be made available without regard to sections 4311, 4409(a), and 4601 of the ESEA: Provided further , That section 4303(d)(3)(A)(i) shall not apply to the funds available for part C of title IV: Provided further , That of the funds available for part C of title IV, the Secretary shall use not less than $31,000,000 to carry out section 4304, of which not more than $10,000,000 shall be available to carry out section 4304(k), not more than $110,000,000 to carry out section 4305(b), and not less than $11,000,000 to carry out the activities in section 4305(a)(3): Provided further , That notwithstanding section 4601(b), $95,000,000 shall be available through December 31, 2018 for subpart 1 of part F of title IV. Safe schools and citizenship education For carrying out activities authorized by subparts 2 and 3 of part F of title IV of the ESEA, $131,254,000: Provided , That $58,000,000 shall be available for section 4631, of which up to $5,000,000, to remain available