CA Gov't Code Section 81012

This title may be amended or repealed by the procedures set forth in this section. If any portion of subdivision (a) is declared invalid, then subdivision (b) shall be the exclusive means of amending or repealing this title.

(a)

This title may be amended to further its purposes by statute, passed in each house by rollcall vote entered in the journal, two-thirds of the membership concurring and signed by the Governor, if at least 12 days prior to passage in each house the bill in its final form has been delivered to the commission for distribution to the news media and to every person who has requested the commission to send copies of such bills to him or her.

(b)

This title may be amended or repealed by a statute that becomes effective only when approved by the electors.