In the undertakings referred to in Articles L. 7111-3 and L. 7111-5, where a specific electoral college is created for professional journalists and persons treated as such, the trade union organisation that satisfies the criteria of Article L. 2121-1 and that received at least 10% of the votes cast in the first round of the most recent elections of full members of the social and economic committee in this college is representative with regard to the staff covered by this college.