Sec. 8. The bonds or notes:
(1) constitute the corporate obligations of the IFA or the NWIRDA;
(2) do not constitute an indebtedness of the state within the meaning or application of any constitutional provision, prohibition, or limitation; and
(3) are payable solely as to both principal and interest from:
(A) the revenues from a lease to the NWIRDA, if any;
(B) other available revenues, if any;
(C) proceeds of bonds or notes, if any; or
(D) investment earnings on proceeds of bonds or notes.