The judge found that agreements between spouses are generally not legally enforceable: while individuals, and especially small businesses, might be attracted to the idea of an informal agreement (possibly on the basis of a handshake or gentleman`s agreement), such an informal agreement could be dangerous. This is especially true when the agreement was reached in an environment that is not suitable for normal trade negotiations. It is essential for parties wishing to conclude a binding preferential law contract that they open an appropriate call for tenders in order to avoid any difference of opinion on the intention of the parties. In the event of a mutual error, the courts may amend the contract on the basis of extrinsic evidence. However, such an amendment must take into account the real intention of the parties and must not emigrate to the interests of third parties. A treaty is a legally binding agreement. Once an offer has been accepted, there is an agreement, but not necessarily a contract. The element that turns any agreement into a real treaty is “the intention to create legal relations”. It is necessary to demonstrate that the parties envisaged that the agreement would be subject to contract law. If evidence of intent is found, the agreement creates legal obligations that allow for the prosecution of any party who initiates an offence. `Any collective agreement concluded after the beginning of this section shall ultimately be considered not to have been envisaged by the parties as a legally enforceable contract, unless the agreement: the exception to the general position is when it is clear that a legally binding agreement is envisaged. .