A writing may be authenticated by evidence that:
(a) The party against whom it is offered has at any time admitted its authenticity; or
(b) The writing has been acted upon as authentic by the party against whom it is offered.
Cal. Evid. Code § 1414
Means of Authenticating and Proving Writings
Applied in 8 court decisions — leading case 146 Cal. App. 4th 1519 - Ambriz v. Kelegian (2007)
Most recently applied in 243 Cal. App. 4th 1366 - Kim v. Toyota Motor Corp. (January 2016)
Enacted by Stats. 1965, Ch. 299.
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Official source: California Legislative Information. Reproduced from public-domain California statutes; confirm against the official source for the current text. Not legal advice.