All modifications relating to 2°, 3° and 4° of II of article R. 4461-32 are subject to prior authorisation after being sent to the competent administrative authority by registered letter with acknowledgement of receipt. Silence on the part of the competent administrative authority for a period of thirty days from the date of issue of the acknowledgement of receipt of the registered letter shall constitute acceptance of these modifications.
Modifications relating to 1° of II of Article R. 4461-32 are subject to an annual declaration.