Civil Code · English · 2015 Article 19564. Holder Knowing of Defect (1)The holder may not exercise his right under the preceding Articles where the defect on which his claim is based was apparent or where he knew or should have known of the defect on the making of the contract.#(2)Any express warranty given by the owner in such case shall be of no effect.# ← Article 1955Article 1957 →