In its relations with the administrations, persons or bodies mentioned in article L. 123-32, a company may not be required to give an identification number other than the unique number allocated under conditions laid down by decree. A specific identifier may be used in addition, in particular for certain activities subject to prior declaration or authorisation, under conditions laid down by decree.
The company may not be required to mention another number in its business papers such as invoices, order notes, price lists, advertising documents, correspondence and receipts concerning its activities.