of the Bank, set up to receive and disburse grant money to fully or partially subsidize project loans to entities operating in disadvantaged communities. Trust fund receipts shall include those left over from net operations of the Bank, Federal grant disbursements, and philanthropic and other gifts from individuals and corporations as they become available. 202. Establishment of National Infrastructure Bank (a) Establishment of national infrastructure bank The National Infrastructure Bank is established as a Government corporation subject to chapter 91 of title 31, United States Code (commonly known as the Government Corporation Control Act ), except as otherwise provided in this Act. (b) Conforming amendment Section 9101(3) of title 31, United States Code, is amended by adding at the end the following: (Q) the National Infrastructure Bank. . (c) Responsibility of the Secretary The Secretary shall take such action as may be necessary to assist in implementing the establishment of the Bank in accordance with this Act, including obtaining a national bank charter. 203. Purposes and authorizations (a) Purpose The purpose of National Infrastructure Bank shall be to facilitate efficient, long-term financing of infrastructure projects, business and economic growth, and new job creation in the United States. (b) Capitalization (1) In general The National Infrastructure Bank shall raise capital stock, in an amount approved by the Board, but not to exceed to $500,000,000,000, to be held in the form of Treasury securities. (2) Subscription The capital stock shall be subscribed by— (A) public holders of outstanding Treasury securities of 3 years or greater maturity, or outstanding municipal bonds of States or municipalities of 5 years or greater maturity, who transfer such securities or bonds to the Bank in exchange for the capital stock