parol evidence rule definition

parol evidence rule

Legal rule that once a written agreement has been duly executed (signed by all concerned parties) then it cannot be altered or annulled by any oral evidence that may contradict the terms of the agreement, except in case of a fraud or mistake. See also collateral contract doctrine.

parol evidence rule is in the Corporate, Commercial, & General Law subject.

parol evidence rule appears in the definition of the following term: collateral contract doctrine

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