Section 1151 Of Chapter 3. Other Evidence Affected Or Excluded By Extrinsic Policies From California Evidence Code >> Division 9. >> Chapter 3.

. 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.