The seller shall not be liable for defects known to the purchaser at the time of the sale, or which the purchaser could have discovered by themselves had they inspected the subject matter of the sale with the care of an ordinary person, unless they prove that the seller affirmed that the subject matter of the sale was free from such defect, or proves that the seller deliberately concealed the defect by way of fraud.
Interpretation and application must be checked against the official text and current version.