Parol Evidence Rule governs extrinsic evidence in contracts. Which statement is correct?

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Multiple Choice

Parol Evidence Rule governs extrinsic evidence in contracts. Which statement is correct?

The key idea is the Parol Evidence Rule: when a contract is fully integrated (the written document is intended as the complete and final expression of the agreement), extrinsic evidence cannot be used to vary or contradict its terms. This rule protects the final written terms from being altered by prior negotiations or oral statements, preserving certainty and reliability in the agreement. The statement that extrinsic evidence cannot be used to vary or contradict the terms of a fully integrated written contract is correct because it captures that protective effect of full integration. A bit of context helps: extrinsic evidence can be admitted in other situations—to interpret ambiguous terms, to show the contract is not fully integrated, or to prove defenses like fraud, misrepresentation, mistake, or duress. It can also be used to explain what the contract means when terms are unclear, or to establish related obligations outside the written terms if the contract isn’t fully integrated. The other options are wrong because they either misstate the scope (not limited to oral contracts), misstate how extrinsic evidence interacts with fully integrated documents, or ignore the role of integration in determining when extrinsic evidence is admissible.

The key idea is the Parol Evidence Rule: when a contract is fully integrated (the written document is intended as the complete and final expression of the agreement), extrinsic evidence cannot be used to vary or contradict its terms. This rule protects the final written terms from being altered by prior negotiations or oral statements, preserving certainty and reliability in the agreement. The statement that extrinsic evidence cannot be used to vary or contradict the terms of a fully integrated written contract is correct because it captures that protective effect of full integration.

A bit of context helps: extrinsic evidence can be admitted in other situations—to interpret ambiguous terms, to show the contract is not fully integrated, or to prove defenses like fraud, misrepresentation, mistake, or duress. It can also be used to explain what the contract means when terms are unclear, or to establish related obligations outside the written terms if the contract isn’t fully integrated. The other options are wrong because they either misstate the scope (not limited to oral contracts), misstate how extrinsic evidence interacts with fully integrated documents, or ignore the role of integration in determining when extrinsic evidence is admissible.

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