The notice referred to in article R. 2131-7 shall be published in the Official Journal of the European Union under the conditions laid down in articles R. 2131-19 and R. 2131-20.
The purchaser may publish an additional advertisement on a medium other than the main one. The additional advertisement may include only some of the information contained in the notice published on the principal basis in the medium of its choice, provided that it indicates the references.