Any professional legally established in another Member State of the European Union or party to the Agreement on the European Economic Area who engages, on a temporary and occasional basis, in the practice of the profession of guide-conférencier must include a reference to the professional title he holds in the State of establishment or to his training qualification on documents intended for third parties, whatever the medium. He shall indicate this qualification to the natural or legal persons mentioned in Article L. 221-1 who use his services, as well as to the person in charge of the museum or historic monument visited.
The title is indicated in the official language of the State of establishment.