10. Catalogues, brochures, folders, commercial directories and any similar publications may be in 2 separate versions, one exclusively in French, the other exclusively in another language, provided that the material presentation of the French version is available under no less favourable conditions of accessibility and quality than the version in the other language.
However, the version exclusively in another language may be inserted in a news publication published exclusively in that language; it may also be sent to any natural person having made a written request to receive such documents in that other language.
In addition, catalogues, brochures, folders, commercial directories and any similar publications intended for persons belonging to the same ethnical group may be written only in the language of such group.