The bonds may be refunded in accordance with Article 6 (commencing with Section 16780) of the State General Obligation Bond Law. Approval by the electors of the state for the issuance of bonds shall include approval of the issuance of any bonds issued to refund any bonds originally issued or any previously issued refunding bonds.
Source:
Section 2704.19, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=SHC§ionNum=2704.19..