Government Code § 54431

54431.

The principal of and interest on the bonds and any premiums upon the redemption of any thereof are not a debt of the local agency, nor a legal or equitable pledge, charge, lien, or encumbrance, upon any of its property, or upon any of its income, receipts, or revenues except the revenues of the enterprise and other funds that may be legally applied, pledged, or otherwise made available to their payment.