Exclusion clauses – clauses in a contract that must exclude part of the liability in the event of a particular circumstance. These are types of exemption clauses.  For example, it does not matter if there is a declaration of intent, but the treaty behaves like a written contract. In colonial times, the concept of consideration was exported to many common law countries, but it is unknown in Scotland and civil courts.  Roman legal systems do not require or recognize any consideration, and some commentators have proposed abandoning the counterpart and replacing it as the basis for treaties.  However, legislation, not the development of justice, has been presented as the only way to eliminate this entrenched doctrine from the common law. As a general rule, this is the price paid by one party and the goods delivered by the other In accordance with Article 10, all agreements are contracts if they are concluded against a legitimate consideration and with a legitimate good by the free consent of the parties ashamed of the contract and are therefore not cancelled. If the contract contains uncertain or incomplete clauses and all options for resolving its true meaning have failed, it may be possible to separate and invalidate the relevant clauses only if the contract contains a salvatorial clause. . .