Manufacturers of medical devices and the companies and organisations operating these devices shall, at the reasoned request of the Director of the Agence nationale de sécurité du médicament et des produits de santé, provide any information mentioned in Article R. 5212-3 or carry out any investigations or work concerning the risks of incidents that these devices may present. The information, investigations or work requested in this way are necessary for the exercise of materiovigilance.