Alaska Statutes
Article 2. Formation and Construction of Lease Contract.
Sec. 45.12.202. Final written expression: parol or extrinsic evidence.

Terms with respect to which the confirmatory memoranda of the parties agree or that are otherwise set out in a writing intended by the parties as a final expression of their agreement with respect to the terms that are included in the memoranda or other writing may not be contradicted by evidence of a prior agreement or of a contemporaneous oral agreement but may be explained or supplemented
(1) by course of dealing or usage of trade or by course of performance; and
(2) 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.

Structure Alaska Statutes