Whether Arizona’s parol-evidence rule requires a court to find facial ambiguity before considering extrinsic evidence offered to interpret a contract.
Holding
No. A court may first consider relevant extrinsic evidence and admit it for interpretation if the contract language is reasonably susceptible to the meaning the proponent asserts.
Reasoning
Arizona follows the Corbin and Restatement approach, rather than a strict “four corners” or plain-meaning rule. The central object of interpretation is to identify and enforce the contracting parties’ actual intent, not simply the meaning a judge initially assigns to isolated words on the page.
Under this approach, the judge initially considers proffered evidence concerning the contract’s context, negotiations, prior understandings, and subsequent conduct. The judge then asks whether the writing is reasonably susceptible to the interpretation supported by that evidence. If it is, the evidence may be admitted to determine intended meaning; if it would merely vary or contradict the agreement, the parol-evidence rule excludes it.
A judge need not entertain implausible interpretations indefinitely. When the asserted meaning is unreasonable or the supporting proof is unpersuasive, the judge may conclude that the words are not reasonably susceptible to that meaning and exclude the evidence. But a facial impression that language is clear cannot itself displace the inquiry into the meaning the parties may actually have intended.