Parol of Evidence Rule

What is Parol of Evidence Rule?

Where there is a signed contract, the terms of the contract cannot be altered by evidence of oral (parol) agreements purporting to change, explain or contradict the written document. The courts have fashioned exceptions to rule if the information is need to explain the terms of the contract.

Further Reading

For more detailed information, see our related Contracts terms:

• Material Term
• Mutual Assent
• Acquiescence
• Oral Contract
• An agreement in principle

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Stephanie Bagnall

Licensed Attorney and Legal Researcher

Stephanie Bagnall is a Georgia-licensed attorney and legal researcher with experience in accessibility law, compliance, employment law, and legal writing. She helps develop and review BarPrepHero's Legal Terms content for clarity, accuracy, and usefulness to bar exam students.

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