; and (2) $200,000,000 for each of fiscal years 2025 through 2028. 4. Funding for development of secure rare earth supply chains (a) Minerals Security Partnership Fund (1) Establishment of fund The Secretary of the Treasury may establish a trust fund, to be known as the Minerals Security Partnership Fund (referred to in this section as the Fund ), consisting of such amounts as are appropriated to the Fund or credited to the Fund under paragraph (3). (2) Reporting requirement If the Fund is not established by not later than 180 days after the date of enactment of this Act, on that date, and annually thereafter until the Fund is established, the Secretary of the Treasury, in coordination with the Secretary of State, shall provide, in writing, to the appropriate committees of Congress a rationale for not establishing the Fund. (3) Investment of amounts (A) Investment of amounts If the Fund is established, the Secretary of the Treasury may invest such portion of the Fund as is not required to meet current withdrawals in interest-bearing obligations of the United States or in obligations guaranteed as to both principal and interest by the United States. (B) Interest and proceeds The interest on, and the proceeds from the sale or redemption of, any obligations held in the Fund shall be credited to and form a part of the Fund. (4) Use of fund (A) In general Subject to subparagraph (B), amounts in the Fund shall be available, as provided in advance in an appropriations Act, to the Secretary of State— (i) to provide funding through the Minerals Security Partnership common funding mechanism described in subsection (b)(1) to support the development and adoption of secure rare earth supply chains