In an agreement, one person offers or proposes something to another person, who in turn accepts the same thing. In other words, the offer plus acceptance corresponds to the agreement, or we can say that an accepted proposal is an agreement. Britannica.com: Encyclopedia article on the status of the agreement; harmony of opinion, statement, action or character; compliance; Harmony; compliance; Since there is a good agreement between the members of the Council Note: According to customary law, the agreement is a necessary element of a valid contract. According to Article 1-201, paragraph 3, of the Uniform Commercial Code, the agreement is the agreement of the parties as expressly represented by their language or implicitly by other circumstances (in the context of business). Such an agreement currently exists for pandemic influenza, Phelan notes, but not for any other type of disease or vaccine.