Going before a civil court to have a contract for the sale of real estate belonging to another person annulled on the basis of article 276 CCC L III, is a path that is not recommended by case law (courts and tribunals) and doctrine (lawyers, researchers).Indeed, the aforementioned provision only concerns movable property, but to have such a contract annulled, what is the path that case law and doctrine advise?Moreover, a victim would no longer be able to go before a civil judge to cancel a certificate of registration that has been in force for two years. In other words, the certificate of registration has become unassailable, but the question remains: how do you cancel a certificate of registration that is more than two years old and tainted by irregularity?the nine chapters that make up this manual revolve around these two questions.above all, this work enriches Congolese legal doctrine with a high-quality scientific work from a school of excellence in Congolese civil law. This precis de droit civil congolais des biens is an invaluable working tool that will enable professionals to better orient themselves.