; (6) to enter into legal arrangements with public agencies, private organizations, and persons and to make such payments as may be necessary to carry out the purposes of such contracts or arrangements; and (7) to award funding, which may include project financing, grants, and concessional lending, for eligible projects, in accordance with section 7. (c) Federal funds (1) In general The Foundation may— (A) hold Federal funds made available, but not immediately disbursed; and (B) use any interest or other investment income earned on such Federal funds to carry out the purposes of the Foundation under this Act. (2) Limitation Investments made with Federal funds pursuant to paragraph (1)(B) may only be made in— (A) interest-bearing obligations of the United States; or (B) obligations guaranteed as to both principal and interest by the United States. (d) Limitation of public liability The United States shall not be liable for any debts, defaults, acts, or omissions of the Foundation. 6. Safeguards and accountability (a) Safeguards The Foundation shall develop, and incorporate into any agreement for support provided by the Foundation, appropriate safeguards, policies, and guidelines, consistent with internationally recognized best practices and standards for environmental and social safeguards. (b) Independent accountability mechanism (1) In general The Foundation shall establish a transparent and independent accountability mechanism, which shall provide— (A) a compliance review function that assesses whether Foundation-supported projects adhere to the requirements developed pursuant to subsection (a); (B) a dispute resolution function for resolving concerns between project implementers regarding the impacts of specific Foundation-supported projects with respect to such standards