In general, all contractual clauses are intended for the parties to record all their obligations relating to a transaction in a document (or related documents) and exclude all other documents or statements from the legal effect. Its purpose and effect were expressed in Inntrepreneur Pub Co/ East Crown Ltd : Introduction This client award is intended to provide a summary that takes into account the effectiveness and limitations of the entire contractual clauses. It also contains some suggestions on how to try to improve its impact in order to meet certain situations and requirements. The full text of the contract clause states in this case that this type of clause is intended to ensure that the terms of the undertakings and their intentions are defined in a single document. The objective, in turn, is to promote safety and possibly to prevent the parties from using declarations or assurances in pre-contract negotiations to try to verify what the contract requires as a benefit. Entire contractual clauses generally seek to exclude the assurances and statements of the parties relied on by the parties at the conclusion of the contract, but which were not expressly included in the contract. The general rule is that a full agreement cannot exclude terms that are implied by custom use or use. This is also supported by the basement (5) of Section 92 of the IEA. A commercial use or habit is so well known and well understood with respect to the business that the parties are supposed to have their contract with the tacit reference and intend to be regulated by it, even if a party does not actually know the habit or use10. However, proof of custom use or use cannot be admitted to the contract explicitly or implicitly.11 In the case of complex or higher-value transactions, an unlimited comprehensive contractual clause may be unjustified, as it may cause more problems to one or both parties than it resolves: it may terminate all contracts between the parties. exclude that a party to a written agreement that encircles the undergrowth and finds, during negotiations, a (accidental) remark or statement (often forgotten or difficult to recall or explain) to which a claim such as the one currently existing has the existence of a guarantee of guarantee of guarantee, in addition, the case law has set four specific limits for full contractual clauses: a reference to “representations” in an entire contractual clause can be interpreted as a case related to contractual obligations and not as a misrepresentation.