For the application of article L. 228-6-3, the sale shall take place upon expiry of a period of one year after publication in accordance with the conditions and procedures set out in article R. 228-11 if, during this period, the persons in whose name the registration was made or their successors in title have not been able to be reached by the notice referred to in article R. 228-11 sent by registered letter with acknowledgement of receipt.
Where the sale relates to equity securities admitted to trading on a regulated market, a multilateral trading facility or to the operations of a central depository, it shall be carried out, at the end of a period of one year, in accordance with the procedures laid down, depending on the case, in the second, third or fourth paragraph of Article R. 228-12.