30-2-202. 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 dealing or usage of trade (30-1-205) or by course of performance (30-2-208); 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: En. Sec. 2-202, Ch. 264, L. 1963; R.C.M. 1947, 87A-2-202.