A person subject to registration may not, in the course of his business, invoke against third parties or public administrations, who may, however, invoke them, the facts and acts subject to mention unless the latter have been published in the register.
In addition, a person subject to a deposit of acts or documents appended to the register may not invoke them against third parties or administrations, unless the corresponding formality has been carried out. However, third parties or public authorities may rely on these deeds or documents.
The provisions of the preceding paragraphs apply to facts or deeds subject to mention or filing even if they have been the subject of another legal publicity. However, third parties and administrations who had personal knowledge of these facts and acts may not avail themselves of these provisions.