The principle of tacit contract (privity of contract) also means: Unless the law in line with the exception of certain conditions, under normal circumstances, the contract can not be given to non-contractual rights of the parties. In other words, with Scotland and civil law countries, 2. British legal principle at stake to allow third parties to the contract requests were to perform the contract, the stakes are not allowed to file for a third party to enforce the contract. (This principle stems from back in 1861 del v. Atkinson was the case, which is based on the third man and there is no contract between the parties on the price. In that case, G and H of marriage, their father, L and M Agreed to a certain time G will give a sum of money. L in the death, G request of the L executor to fulfill this promise. The court held that: only contract the parties have the right to ask for fulfillment of promises, and G does not have this right ) But does not deny that the contract agreement in principle on a contract to a third party the rights and obligations between the parties bound by contract to obtain benefits. We also know that "regardless of whether a person belonging to the transaction documents or agreements the parties, he can reach an agreement involving a variety of land revenue. Property or other proceeds from the interests of Health.