; and (B) the final day of the useful life of the capital asset being financed. (6) 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. (7) Fees The Secretary may establish fees, as provided for in section 10(b), at a level sufficient to cover all or a portion of the costs to the Federal Government of making a secured loan under this section. (8) Non-federal share The proceeds of a secured loan under this section may be used to pay any non-Federal share of project costs required if the loan is repayable from non-Federal funds. (9) Maximum federal involvement For each project for which assistance is provided under this Act, the total amount of Federal assistance from all sources, including the assistance provided under this Act, shall not exceed 80 percent of the total project cost. (c) 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, other repayment sources, and the useful life of the project. (2) Commencement Scheduled loan repayment of principal or interest on a secured loan under this section shall commence not later than 5 years after the date of substantial completion of the project. (3) Deferred payments (A) Authorization If, at any time after the date of substantial completion of a project for which a secured loan is provided under this section, the project is unable to generate sufficient revenues to pay the scheduled loan repayments of principal and interest on the secured loan, the Secretary may allow the obligor, subject to subparagraph (C), to add unpaid principal and interest to the outstanding balance of the secured loan. (B) Interest Any payment deferred under subparagraph (A) shall— (i) continue to accrue interest in accordance with subsection (b)(4) until fully repaid