)): Provided further , That for purposes of environmental review, a grant under the previous two provisos shall be considered funds for projects or activities under title I of the United States Housing Act of 1937 ( 42 U.S.C. 1437 et seq.) for purposes of section 26 of such Act ( 42 U.S.C. 1437x ) and shall be subject to the regulations implementing such section: Provided further , That for funds made available under the previous three provisos, the Secretary shall allow a PHA to apply for up to 20 percent of the funds made available under the first two provisos and prioritize need when awarding grants. Public housing operating fund For 2020 payments to public housing agencies for the operation and management of public housing, as authorized by section 9(e) of the United States Housing Act of 1937 ( 42 U.S.C. 1437g(e) ), $4,650,000,000, to remain available until September 30, 2021: Provided , That of the total amount available under this heading, $25,000,000 shall be available to the Secretary to allocate pursuant to a need-based application process notwithstanding section 203 of this title and not subject to the Operating Fund formula at part 990 of title 24, Code of Federal Regulations to public housing agencies that experience financial insolvency, as determined by the Secretary: Provided further , That after all such insolvency needs are met, the Secretary may distribute any remaining funds to all public housing agencies on a pro-rata basis pursuant to the Operating Fund formula at part 990 of title 24, Code of Federal Regulations. Choice neighborhoods initiative For competitive grants under the Choice Neighborhoods Initiative (subject to section 24 of the United States Housing Act of 1937 ( 42 U.S.C. 1437v ), unless otherwise specified under this heading), for transformation, rehabilitation, and replacement housing needs of both public and HUD-assisted housing and to transform neighborhoods of poverty into functioning, sustainable mixed income neighborhoods with appropriate services, schools, public assets,