(1) If the donor fraudulently conceals a defect of title, they are obliged to compensate the donee for the resulting damage.
(2) If the donor promised to provide an object that they had to acquire first, the donee may demand damages for non-performance for a defect of title if the defect was known to the donor upon acquisition of the thing or remained unknown as a result of gross negligence. The provisions of section 433 (1) and sections 435, 436, 444, 452 and 453 on the liability of the seller for defects of title apply accordingly.