§ 1013. Repayment of state appropriations. All appropriations made by the state to the authority shall be treated as advances by the state to the authority, and shall be repaid to it without interest either out of the proceeds of securities, or other obligations issued by the authority for the construction of any project pursuant to the provisions of this title, or by the delivery of non-interest bearing obligations of the authority to the state for all or any part of such advances, or out of excess revenues from such project subject however to any pledges of such revenues made pursuant to any resolution or resolutions of the authority authorizing the issuance of obligations of the authority issued prior to nineteen hundred and sixty.