Cal. Labor Code - LAB § 890. Section 890.
The Legislature may amend this chapter by a statute passed in each house of the Legislature by rollcall vote entered in the journal, four-fifths of the membership concurring, provided that the statute is consistent with, and furthers the purposes of, this chapter. No bill seeking to amend this chapter may be passed or become a statute unless the bill has been printed and distributed to the Members of the Legislature, and published on the Internet, in its final form, for at least 12 business days prior to its passage in either house of the Legislature.