Special purpose revenue bonds shall be payable solely from the revenues derived by the department from payments made to the department under the project agreement or other supplemental agreements entered into with respect to the project and shall be secured solely by the bond revenues and by the pledges and assignments authorized by this part. Subject to the prior and superior rights of outstanding bonds, claims, obligations, or mechanic’s and materialman’s liens, all special purpose revenue bonds of the same issue shall have a prior and paramount lien on the revenues derived from the project agreement with respect to the project, for which the bonds have been issued, over and ahead of all special purpose revenue bonds of any issue payable from the revenues that may be subsequently issued and over and ahead of any claims or obligations of any nature against the revenues subsequently arising or subsequently incurred; provided that the department may reserve the right and privilege to subsequently issue additional series of special purpose revenue bonds, from time to time, payable from the revenues derived from the project agreement on a parity with the special purpose revenue bonds previously issued, and the subsequently issued series of special purpose revenue bonds may be secured, without priority by reason of date of sale, date of execution, or date of delivery, by a lien on the revenues in accordance with law, including this part.

Notwithstanding any other provisions herein, all or part of the property constituting the project and all interest of the project party in the project and the revenues of the project party therefrom may be subjected to the present and future lien of any mortgage of the project party securing the project party’s bonds, and the rights of the department and any trustee for the holders of the special purpose revenue bonds and the holders of the special purpose revenue bonds in the project and the revenues therefrom may be made subject to the prior lien of the project party’s mortgage.