LLC Buyout Dispute Hinges on Parol Evidence Rule and Integration Clause

California’s “parol evidence rule” codified in Code of Civil Procedure section 1856 and Civil Code section 1625 provides that when parties enter an integrated written agreement, extrinsic evidence may not be relied upon to alter or add to the terms of the writing. In contrast, if the agreement is unintegrated, parol evidence is admissible to explain, supplement, and sometimes even contradict the agreement.... By: Patton Sullivan Brodehl LLP