# Wyo. Stat. § 34.1-2-202: Final written expression; parol or extrinsic evidence

> Wyoming · Statutes · In force

URL: https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-202

## Section

- **Citation:** Wyo. Stat. § 34.1-2-202
- **Heading:** Final written expression; parol or extrinsic evidence
- **Jurisdiction:** Wyoming
- **Kind:** Statutes
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Wyoming Code / Title 34.1 / Chapter 2 / Section 34.1-2-202

## Text

(a) 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:

(i) By course of performance, course of dealing or usage of trade (section 34.1-1-303); and

(ii) 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.

## Nearby sections

- [Wyo. Stat. § 34.1-2-101 Short title](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-101.md)
- [Wyo. Stat. § 34.1-2-102 Scope; certain security and other transactions excluded from this article](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-102.md)
- [Wyo. Stat. § 34.1-2-103 Definitions and index of definitions](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-103.md)
- [Wyo. Stat. § 34.1-2-104 Definitions: "Merchant"; "between merchants"; "financing agency"](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-104.md)
- [Wyo. Stat. § 34.1-2-105 Definitions: Transferability; "goods"; "future" goods; "lot"; "commercial unit"](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-105.md)
- [Wyo. Stat. § 34.1-2-106 Definitions: "Contract"; "agreement"; "contract for sale"; "sale"; "present sale"; "conforming" to contract; "termination"; "cancellation"](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-106.md)
- [Wyo. Stat. § 34.1-2-107 Goods to be severed from realty; recording](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-107.md)
- [Wyo. Stat. § 34.1-2-201 Formal requirements; statute of frauds](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-201.md)
- [Wyo. Stat. § 34.1-2-202 Final written expression; parol or extrinsic evidence](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-202.md)
- [Wyo. Stat. § 34.1-2-203 Seals inoperative](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-203.md)
- [Wyo. Stat. § 34.1-2-204 Formation in general](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-204.md)
- [Wyo. Stat. § 34.1-2-205 Firm offers](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-205.md)
- [Wyo. Stat. § 34.1-2-206 Offer and acceptance in formation of contract](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-206.md)
- [Wyo. Stat. § 34.1-2-207 Additional terms in acceptance or confirmation](https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-207.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/STATE_WY_T34.1_C2_S34.1-2-202. Check the current official text before relying on it. Not legal advice.