Cal. Const. art. XVI, § 2

(a) No amendment to this Constitution which provides for the preparation, issuance and sale of bonds of the State of California shall hereafter be submitted to the electors, nor shall any such amendment to the Constitution hereafter submitted to or approved by the electors become effective for any purpose.
Each measure providing for the preparation, issuance and sale of bonds of the State of California shall hereafter be submitted to the electors in the form of a bond act or statute.
(b) The provisions of this Constitution enumerated in subdivision (c) of this section are repealed and such provisions are continued as statutes which have been approved, adopted, legalized, ratified, validated, and made fully and completely effective, by means of the adoption by the electorate of a ratifying constitutional amendment, except that the Legislature, in addition to whatever powers it possessed under such provisions, may amend or repeal such provisions when the bonds issued thereunder have been fully retired and when no rights thereunder will be damaged.
(c) The enumerated provisions of this Constitution are: Article XVI, Sections 2, 3, 4, 41/2, 5, 6, 8, 81/2, 15, 16, 16.5, 17, 18, 19, 19.5, 20 and 21.