; (B) section 523 (relating to remittance of unused payments from the Fund); (C) section 544 (relating to violations); and (D) any other section of this Act. (3) Investment returns Interest on, and the proceeds from, the sale or redemption of any obligations held by the Fund under subsection (c). (c) Investment The Commission shall invest portions of the Fund in obligations of the United States in the same manner as provided under section 9602(b) of the Internal Revenue Code of 1986. (d) Use of Fund (1) In general Amounts in the Fund shall be available without further appropriation or fiscal year limitation to make payments to participating candidates as provided in this title. (2) Insufficient amounts Under regulations established by the Commission, rules similar to the rules of section 9006(c) of the Internal Revenue Code of 1986 shall apply. 542. Reviews and reports by Government Accountability Office (a) Review of Small Dollar financing (1) In general After each regularly scheduled general election for Federal office, the Comptroller General of the United States shall conduct a comprehensive review of the Small Dollar financing program under this title, including— (A) the maximum and minimum dollar amounts of qualified small dollar contributions under section 504; (B) the number and value of qualified small dollar contributions a candidate is required to obtain under section 512(a) to be eligible for certification as a participating candidate; (C) the maximum amount of payments a candidate may receive under this title; (D) the overall satisfaction of participating candidates and the American public with the program