Evidence Code › DIVISION 5. BURDEN OF PROOF; BURDEN OF PRODUCING EVIDENCE; PRESUMPTIONS AND INFERENCES › CHAPTER 3. Presumptions and Inferences › ARTICLE 3. Presumptions Affecting the Burden of Producing EvidenceEvidence Code § 640‹ § 639§ 641 ›Copy linkOpen in browserleginfo ↗640.A writing is presumed to have been truly dated.(Enacted by Stats. 1965, Ch. 299.)