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