";s:4:"text";s:2975:"Learn vocabulary, terms, and more with flashcards, games, and other study tools. A rule of contractual construction which states that extrinsic evidence cannot be used to vary the terms of a written contract. Start studying The Parol Evidence Rule. When does the parol evidence rule not bar the consideration of extrinsic evidence to a contract? Under the parol evidence rule, evidence of other prior or contemporaneous agreements may not be introduced to vary or contradict the terms of a fully integrated writing. The rule allows a party bringing a fraud claim to introduce extrinsic evidence to prove that the original written contract was tainted by fraud. The fraud exception has been a long time exception to California’s parol evidence rule. Related Content. In the context of contracts, deeds, wills, or other writings, parol evidence refers to extraneous evidence such as an oral agreement (a parol contract), or even a written agreement, that is not included in the relevant written document. written agreement for a share of a patent - orally agreed contract would not come into effect until later. Parol evidence rule. Exceptions. Nature and Contractual Obligation The purpose of a contract is to establish the agreement that the parties have made and to fix their rights and duties in accordance with that agreement. III EXCEPTIONS TO THE PAROL EVIDENCE RULE. If the court identifies a patent or latent ambiguity, it will consider prior communications to clear up the ambiguity. In such a case, the parol evidence rule prevents the parties from introducing other evidence such as conversations from earlier negotiations between the parties as evidence of a different intent as to the terms of the contract.