for the planning, pre-development, design, construction, operations or maintenance of revenue-producing infrastructure projects in the United States with sufficient revenue sources and guarantees to support the interest and principal payments to the Bank. (b) Support for rural projects Not less than 10 percent of the dollar amount of loans, equity investments, and loan guarantees provided by the Bank shall be with respect to infrastructure projects in rural areas. (c) Leveraging Bank investments The Bank shall attempt to cross subsidize non-revenue infrastructure projects with revenue generating infrastructure projects to diversify the loan portfolio. (d) No commercial or investment banking activities Notwithstanding any other provision of law, the Bank is prohibited from— (1) accepting customer deposits