and carry such interest rate as the Board determines appropriate. (7) Bond guarantee The Board shall charge such fees for Bond guarantees made under this section as the Board determines appropriate. (8) Equity investments With respect to a QIP, the amount of an equity investment made by the AIF in such QIP may not exceed 20 percent of the total cost of the QIP. (9) Public-private partnership requirements At least 35 percent of the assistance provided under this section shall be provided to QIPs for which at least 10 percent of the financing for such QIPs comes from private debt or equity. (10) Prohibition on principal forgiveness With respect to a loan made under this section, the Board may not forgive any amount of principal on such loan. (d) Definitions For purposes of this section: (1) Infrastructure provider The term infrastructure provider means an entity that seeks to finance a QIP. (2) Secretary The term Secretary means the Secretary of the Treasury. (3) State The term State means each of the several States, the District of Columbia, any territory or possession of the United States, and each federally recognized Indian tribe. (e) Appropriation Out of money in the Treasury not otherwise appropriated, there is hereby appropriated $50,000,000,000 to the American Infrastructure Fund. Amounts appropriated under this subsection shall remain available without fiscal year limitation. 103. Dedication of remaining revenues to highway trust fund (a) In general Section 9503(f) is amended by redesignating paragraphs (5) through (10) as paragraphs (6) through (11), respectively, and by inserting after paragraph (4) the following new paragraph: (5) Appropriation of revenues attributable to section 965 (A) Initial appropriation Out of money in the Treasury not otherwise appropriated, there is hereby appropriated $100,000,000,000 to the Highway Trust Fund. (B) Remaining revenues (i) In general Out of money in the Treasury not otherwise appropriated, there are hereby appropriated to the Highway Trust Fund the excess of—