Manufacturers of medicinal products referred to in article R. 5124-2 shall check that the active substances used come from manufacturers, importers or distributors either authorised by the Agence nationale de sécurité du médicament et des produits de santé (French National Agency for the Safety of Medicines and Health Products) when the latter carry out their activity on national territory, or registered with the competent authority of the Member State in which they are established.