The fact that a broker is entrusted with a brokerage transaction for a matter in which he had a personal interest, without informing the parties to whom he will have acted as intermediary, is punishable by a fine of 3,750 euros without prejudice to the parties’ action for damages. If he is registered on the list of brokers referred to in article L. 131-12, he shall be struck off the list without being able to be registered again for a period that may not exceed five years.