Upon receipt of the agreement (a), it is made public by the public party or transmitted without restriction by the public party to third parties, including the client; (b) was legally obtained from the party receiving it, without restriction, from other sources, including the client, provided that other source did not receive it as a result of a violation of this agreement or other agreement between the parties; or (c) if this information is communicated by other means or is made public without fault of the receiving party. 4) Rights and obligations. The parties cooperate to define the essential elements of the creativity of the activities of this agreement. No party can unduly deny approval of an essential creative element. 2.1 The parties must be loyal to the other party and seek healthy cooperation. 8.1 The parties act as independent entities and are not authorized to enter into agreements on behalf of the other party or to engage them by other means. Prior to the award, the proposal developed under the parties may be withdrawn by mutual agreement, which excludes any competition or effort by any of the parties in connection with the project. The parties, their representatives and staff retain confidential information received under this agreement confidentially and maintain the confidentiality of the information received under this agreement, beyond the effectiveness of this contract. Prior to receiving this agreement, it was developed independently by the receiving party, or was legitimately known to the receiving party, or received legally from other sources, including the public party or the client, unless that other source received it as a result of a violation of this cooperation agreement or other agreement between the parties. A sales contract is a contract between the parties for the sale of a particular property or property. A sale is usually a transfer of ownership of property from one person to another in exchange for a certain value. In the case of such a sale, there is always a contract that is established.