Code of Civil Procedure 1856(g) provides that parol (verbal) evidence to explain the circumstances under which the agreement, to which it relates, explain an extrinsic ambiguity or otherwise interpret the terms of the agreement, or to establish illegality or fraud....
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Evidence
Contracting to exclude “extrinsic evidence” is enforceable. ( Hot Rods, LLC v. Northrop Grumman Systems Corp. (2015) 242 CA4th 1166
A written contract for the sale of real property included an integration clause stating that “no extrinsic evidence whatsoever may be introduced in any judicial proceedings involving this Agreement.” The referee who tried the case considered such evidence, finding for...