Section 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.