Section 10202.
Cal. Commercial Code - COM § 10202.
in effectTerms 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: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026