1. For first and subsequent class 3 or class 4 contained uses to be carried out in premises notified in accordance with Article 6, a notification containing the information listed in Annex V, Part C shall be submitted.
2. A class 3 or higher class of contained use may not proceed without the prior consent of the competent authority, which shall communicate its decision in writing:
at the latest 45 days after submission of the new notification, in the case of premises which have been the subject of a previous notification to carry out class 3 or a higher class of contained uses and where any associated consent requirements have been satisfied for the same or a higher class than the contained use with which it is intended to proceed;
at the latest 90 days after submission of the notification, in other cases.