1213. A person whose property is inalienable may be authorized by the court to dispose of the property if the interest that had justified the stipulation of inalienability has disappeared or where a greater interest comes to require it.
The court may, where it authorizes alienation of the property, fix any conditions it considers necessary to safeguard the interests of the person who stipulated inalienability, his successors or the person for whose benefit inalienability was stipulated.