Terms with respect to which the confirmatory memoranda of the parties agree or which 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
RSA 382-A:2-202
1959, 247:1, eff. July 1, 1961. 2006, 169:2, eff. Jan. 1, 2007.