Final written expression; parol or extrinsic evidence

Miss. Code Ann. § 75-2-202, under Form, Formation and Readjustment of Contract.

Miss. Code Ann. § 75-2-202

(a) Terms with respect to which the confirmatory memoranda of the parties agree or which are otherwise set forth in a writing 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 (Section 75-1-303); and(b) By evidence of consistent additional terms unless the court finds the writing 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 (Section 75-1-303); and

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