Section 1154 Of Chapter 3. Other Evidence Affected Or Excluded By Extrinsic Policies From California Evidence Code >> Division 9. >> Chapter 3.

. Evidence that a person has accepted or offered or promised to accept a sum of money or any other thing, act, or service in satisfaction of a claim, as well as any conduct or statements made in negotiation thereof, is inadmissible to prove the invalidity of the claim or any part of it.