Principle

CONTRACT LAW — Terms of Contract — Extrinsic Evidence Inadmissible to Vary Written Terms

Area of law
CONTRACT LAW
Court
Supreme Court

Oral or extrinsic evidence cannot alter the clear terms of a written contract. The written document is the exclusive expression of the parties' agreement. The principle applies to contract law and evidence. The rule is known as the parol evidence rule. Exceptions exist for fraud,…

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