When, after the occurrence of an event, remedial or precautionary measures are taken, which, if taken previously, would have tended to make the event less likely to occur, evidence of such subsequent measures is inadmissible to prove negligence or culpable conduct in connection with the event.
Cal. Evid. Code § 1151
Other Evidence Affected or Excluded by Extrinsic Policies
Applied in 17 court decisions — leading case 13 Cal. 3d 113 - Ault v. International Harvester Co. (1974)
Most recently applied in Johnson v. Raytheon Co. (March 2019)
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.