When it terminates the mediation, the Employment Platforms Labour Relations Authority shall notify its decision by any means giving a date certain of the receipt of this notification to the platform, to the representative appointed pursuant to Article L. 7343-12 and, in the cases provided for in the second and fourth paragraphs of II of Article R. 7545-21 and II of Article R. 7345-22, to the unrepresented self-employed workers.