; 15 U.S.C. 1693o–1 ) during the immediately preceding fiscal year. (3) Investment of amounts (A) In general The Secretary of the Treasury shall invest such portion of the Reimbursement 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 Reimbursement Fund shall be credited to the Reimbursement Fund. (4) Purpose