; and (B) fixed for the term of the loan. (4) Maturity date (A) In general Except as provided in subparagraph (B), the final maturity date of a secured loan under this section for an eligible project shall be not later than 35 years after the date of substantial completion of the project. (B) Special rule for State infrastructure financing authorities The final maturity date of a secured loan under this section made to a State infrastructure financing authority shall be not later than 35 years after the date on which loan amounts are first disbursed. (5) Nonsubordination A secured loan under this section shall not be subordinated to the claims of any holder of project obligations in the event of bankruptcy, insolvency, or liquidation of the obligor. (6) Fees The Secretary may establish fees in connection with a secured loan under this section, in amounts sufficient to cover all or a portion of the costs to the Federal Government of secured loans under this section. (7) Use of proceeds for payment of non-Federal share The proceeds of a secured loan under this section may be used to pay any non-Federal share required with respect to other funding obtained for project costs, but only if such secured loan is repaid using non-Federal funds. (8) Maximum Federal involvement For any project for which assistance is provided under this title, the total amount of Federal assistance from all sources, including this title, shall not exceed 80 percent of the total project cost. (9) Others A secured loan provided for a project under this section shall be subject to such other terms and conditions, and contain such covenants, representations, warranties, and requirements (including requirements for audits), as the Secretary determines to be appropriate. (f) Repayment (1) Schedule The Secretary shall establish a repayment schedule for each secured loan provided under this section, based on the projected cash flow from project revenues and other repayment sources. (2) Commencement (A) In general Except as provided in subparagraph