Parol Evidence Rule

Legal Information Institute – Cornell University Law School Definition: A rule that governs the extent to which parties to a case may introduce into court evidence of a prior or contemporaneous agreement in order to modify, explain, or supplement the contract at...

CISG

“…Because international commerce is not simple, a single transaction often involves entities with contacts relating to more than two nations. Thus, for reasonable efficiency, a practical treaty would not be merely bilateral, but would be multilateral, and...