Cap. 16 · Civil Code (Cap. 16)
Cap. 16 Art. 1390Things not according to stipulated quality or sample.
Sub-title IV
If the thing which the seller offers to deliver is not of the quality promised, or is not according to the sample on which the sale was made, the buyer may elect either to reject the thing and demand damages, or to accept the thing with a diminution of the price upon a valuation by experts.