##  [Parol Evidence Rule](/index.php/parol-evidence-rule) 

  ##  [Parol Evidence Rule](https://civil.quantumdictionary.io/parol-evidence-rule-0) 

  

 [![Civil Law Dictionary](/sites/default/files/styles/large/public/2026-01/Civil%20Law.png.webp?itok=lmZ9zRSm)](/index.php/topic-specific-dictionaries/law-governance/civil-law)

- Law & Governance -

**Civil Law Dictionary**

 







 

 

 

 



 

 

 

 

Definition

An evidence concept defining admissibility, foundation, or protected communications in civil adjudication. It governs what information may be presented and how reliability, prejudice, and confidentiality concerns are addressed. It does not permit admission without required foundation and does not defeat valid protections when their elements are satisfied.



 

 

 

 

 





 

 



 ##  [Parol Evidence Rule](https://commerce.quantumdictionary.io/parol-evidence-rule-1) 

  

 [![Commerce, Trade & Industry Dictionary](/sites/default/files/styles/large/public/2026-01/Commerce%2C%20Trade%20%26%20Industry.png.webp?itok=nh8jKPLm)](/index.php/topic-specific-dictionaries/commerce-trade-industry)



**Commerce, Trade & Industry Dictionary**

 







 

 

 

 



 

 

 

 

Definition

A contract‑law doctrine that, where parties have reduced their agreement to a final written instrument intended as the complete expression of their deal (an integrated contract), excludes the admission of prior or contemporaneous extrinsic oral or written statements that would vary, contradict, or add to the written terms; it does not bar all extrinsic evidence (e.g., evidence of ambiguity, fraud,