👉 Nonnegotiability, also known as non-repudiation, is a legal concept in contract law that refers to a party's obligation not to make any statement or act that contradicts their agreement or intention. In other words, if someone makes a statement or acts that is contrary to the terms of an agreement, they are considered nonnegotiable. The term was introduced by English judge Lord Denning in his seminal work "The Law of Contract and Lien" (195
