Arkansas Code
Part 2 - Form, Formation, and Readjustment of Contract
§ 4-2-202. Final written expression — Parol or extrinsic evidence

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 (§ 4-1-303); 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.
History. Acts 1961, No. 185, § 2-202; A.S.A. 1947, § 85-2-202; Acts 2005, No. 856, § 18.