57A-2A-202. Final 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 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:(a)By course of dealing or usage of trade or by course of performance; and(b)By evidence of consistent additional terms unless the court finds the record to have been intended also as a complete and exclusive statement of the terms of the agreement. Source: SL 1989, ch 419, §1; SL 2024, ch 198, §17.
South Dakota Legal Code