Final written expression — Parol or extrinsic evidence

Tenn. Code Ann. § 47-2-202, under Form, Formation and Readjustment of Contract.

Tenn. Code Ann. § 47-2-202

(a) Terms with respect to which the confirmatory memoranda of the parties agree or that are otherwise set forth in a record intended by the parties as a final expression of their agreement with respect to such terms as are included therein may not be contradicted by evidence of any prior agreement or of a contemporaneous oral agreement but may be explained or supplemented:(a) By course of performance, course of dealing, or usage of trade, pursuant to § 47-1-303; and(b) By evidence of consistent additional terms unless the court finds the record to have been intended also as a complete and exclusive statement of the terms of the agreement.

(a) By course of performance, course of dealing, or usage of trade, pursuant to § 47-1-303; and

(b) By evidence of consistent additional terms unless the court finds the record to have been intended also as a complete and exclusive statement of the terms of the agreement.