§25‑2A‑202. Final written expression: parol or extrinsic evidence.
Terms with respect to whichthe confirmatory memoranda of the parties agree or which are otherwise setforth in a writing intended by the parties as a final expression of theiragreement with respect to such terms as are included therein may not becontradicted by evidence of any prior agreement or of a contemporaneous oralagreement but may be explained or supplemented:
(a) by course of dealingor usage of trade or by course of performance; and
(b) by evidence ofconsistent additional terms unless the court finds the writing to have beenintended also as a complete and exclusive statement of the terms of theagreement. (1993, c. 463, s. 1.)