Five copies of the notification of a planned concentration shall be filed with the Secretariat of the Competition Commission (Secretariat) as follows:
in the case of a merger, jointly by the undertakings concerned;
in the case of an acquisition of control, by the undertaking or undertakings acquiring control.
In the case of joint notification, the notifying undertakings shall designate at least one joint representative.
Notifying undertakings or their representatives domiciled or residing abroad shall designate an address in Switzerland for service of documents.