Cal. Evidence Code § 660 : California Evidence Code — Burden Of Proof; Burden Of Producing Evidence; Presumptions And Inferences — Presumptions And Inferences — Presumptions Affecting The Burden Of Proof — Established Date: 31 Aug 2016 TEXT PDF Current through the 2016 Legislative Session The presumptions established by this article, and all other rebuttable presumptions established by law that fall within the criteria of Section 605, are presumptions affecting the burden of proof. Ca. Evid. Code § 660