1. Implied conditions – A full contractual clause does not exclude implied conditions in general. If a party wishes to exclude implied clauses from a contract, this should be done through a separate exclusion clause, such as: 3. Correction – A third limitation of a comprehensive contractual clause is that it cannot be used to prevent the correction of a unilateral or frequent error in circumstances where a contract is not a true representation of it, which was actually agreed by the parties. In summary, parties should ensure that they are clear in advance about what has been included and excluded before it is executed. As we have seen, it is often necessary to introduce additional clauses into the Treaty in order to exclude tacit clauses or pre-contractual assurances or to include certain pre-contractual agreements.