3. If the Member State or the regulatory authority concerned does not provide the information within the time limit set by the Commission, the Commission may request all the information necessary for the purpose of enforcing this Regulation directly from the undertakings concerned.
When sending a request for information to an undertaking, the Commission shall, at the same time, forward a copy of the request to the Member State or the regulatory authority concerned of the Member State in whose territory the seat of the undertaking is situated.