Where listing particulars are, or will be, published in accordance with Articles 1 and 3 for the admission of securities to official listing, the notices, bills, posters and documents announcing this operation and indicating the essential characteristics of these securities, and all other documents relating to their admission and intended for publication by the issuer or on his behalf, must first be communicated to the competent authorities. The latter shall decide whether they should be submitted to scrutiny before publication.
The abovementioned documents must state that listing particulars exist and indicate where they are being, or will be, published in accordance with Article 20.