The purchase-sale contract in tourism

Beside the exchange contract, the purchase-salecontract pretends to be one of the oldest contracts known by the human civilization. The regulation of the purchase-sale contract terms extends on a developing period of about four thousand years. Once the private property notion emerges the contract appears, having a special scale, designed to ensure the exchange of goods from one household to another. From a juridical point of view, the sale looked like a more advanced alternative of the exchange, from which it draws its roots. Later, when the money appeared in the sense close to the actual one, the purchase-sale process get the meaning of changing something for a valuable account – price (pretium). The clasic Roman law ascribed the consensus purchase-sale contracts. The private Roman law also settled the sales of the future goods, as, for instance, was considered the expect harvest. In this case, the purchase-sale contract was considered to be signed under a suspensive condition.