Each issue of bonds or other obligations issued under subsection (a) of section
1574a of this title shall have a parity lien with every other issue of bonds or other obligations issued for payment of principal and interest out of revenues received under section
7652
(b)(3) of title
26, except that issues guaranteed under section
1574b of this title shall have priority, according to the date of issue, over issues not so guaranteed and the revenues received under section
7652
(b)(3) of title
26 shall be pledged for the payment of such bonds or other obligations.