appeal art. 1489 of the Civil Code asset sale assignment of family home awardee bankruptcy law Burden of proof case law civil law contractual liability Court of Appeal of Salerno criminal law criminal liability default digital authentication expiration forced sale fraudulent bankruptcy illegal construction judgment land sale mortgage creditors nullity of contracts Order 18347 preliminary contract property identification real estate law real estate sale right of residence ruling 18681/2024 ruling 50797 ruling of the Court of Cassation sale sale at a low price sale of goods saw and liked clause seller's liability Simulation Supreme Court Supreme Court ruling urban planning certification warranty for defects