2025 Session Last amended: 2024 session

§ 336.2-209 — Modification, Rescission and Waiver

Plain-Language Summary

An agreement to modify a sales contract needs no new consideration (payment) to be binding. However, the duty of good faith applies. If the original contract requires modifications to be in writing, an oral modification does not apply unless the parties waive that requirement through their conduct.

Practical Notes
You can change a sales contract without new payment, but both sides must agree in good faith. If your contract says changes must be in writing, follow that rule.