Cal. Health & Safety Code § 37964

An action may be brought pursuant to Chapter 9 (commencing with Section 860) of Title 10 of Part 2 of the Code of Civil Procedure to determine the validity of bonds and the legality and validity of all proceedings previously taken and (as provided in the bond resolution) proposed to be taken for the authorization, issuance, sale, and delivery of the bonds and for the payment of the principal thereof and interest thereon.