{"code":"EVID","codeName":"Evidence Code","section":"643","citation":"Evid. Code, § 643","status":"in-force","lawOn":"2026-09-28","headings":[{"name":"DIVISION 5. BURDEN OF PROOF; BURDEN OF PRODUCING EVIDENCE; PRESUMPTIONS AND INFERENCES [500. - 670.]","url":"https://blackletter.si/evidence-code/division-5"},{"name":"CHAPTER 3. Presumptions and Inferences [600. - 670.]","url":"https://blackletter.si/evidence-code/division-5/chapter-3"},{"name":"ARTICLE 3. Presumptions Affecting the Burden of Producing Evidence [630. - 647.]","url":"https://blackletter.si/evidence-code/division-5/chapter-3/article-3"}],"history":"Enacted by Stats. 1965, Ch. 299.","effective":null,"html":"<p>A deed or will or other writing purporting to create, terminate, or affect an interest in real or personal property is presumed to be authentic if it:</p><p>(a) Is at least 30 years old;</p><p>(b) Is in such condition as to create no suspicion concerning its authenticity;</p><p>(c) Was kept, or if found was found, in a place where such writing, if authentic, would be likely to be kept or found; and</p><p>(d) Has been generally acted upon as authentic by persons having an interest in the matter.</p>","text":"A deed or will or other writing purporting to create, terminate, or affect an interest in real or personal property is presumed to be authentic if it: (a) Is at least 30 years old; (b) Is in such condition as to create no suspicion concerning its authenticity; (c) Was kept, or if found was found, in a place where such writing, if authentic, would be likely to be kept or found; and (d) Has been generally acted upon as authentic by persons having an interest in the matter.","otherVersions":[],"url":"https://blackletter.si/evidence-code/presumptions-affecting-the-burden-of-producing-evidence-643","source":"California Legislative Information bulk export (pubinfo)"}