Article 568. Prices and expenses under an exchange contract.
1. Unless otherwise arising from an exchange contract, the goods to be exchanged are assumed to be equivalent, and the costs of their transfer and acceptance shall be made in each case by the party who bears the corresponding duties. 2. In the event that, in accordance with the contract of exchange, the exchanged goods are recognized as unequal, the party obliged to transfer the goods, the price of which is lower than the price of the goods provided in exchange, must pay the difference in prices immediately before or after the fulfillment of their obligation to transfer the goods, payment is not provided by the contract.
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