Article 480: Consequences of the transfer of incomplete goods

1. In the case of the transfer of incomplete goods (art. 478), the buyer has the option to demand from the seller: a proportionate reduction in the purchase price; the completion of the goods within a reasonable time. 2. If the seller has failed within a reasonable time to comply with the buyer ' s requirement for the completion of the goods, the buyer has the option: to require the replacement of the incomplete goods with the complete goods; to refuse 3. The consequences provided for in paragraphs 1 and 2 of this article shall apply also in the case of a breach by the seller. 479), unless otherwise provided in the contract of sale and derived from the substance of the obligation.