INTEGRATION RULE

integration rule. The rule that if the parties to a contract have embodied their agreement in a final document, any other action or statement is without effect and is immaterial in determining the terms of the contract. See PAROL EVIDENCE RULE . [Cases: Contracts 245; Evidence 397(2).C.J.S. Contracts § 416; Evidence §§ 1159–1160, 1278–1280.]