I. – In the case of the sale of an original graphic or plastic work at public auction, the art market professional responsible for the payment of droit de suite is, as the case may be, the voluntary sales company or the judicial auctioneer.
II. – In other cases, the art market professional involved in the sale is responsible for payment of droit de suite. If the sale involves several professionals, the professional responsible for payment of the droit de suite is:
1° The seller, if he is acting in the course of his professional activity;
2° Failing this, the art market professional who receives, as intermediary, payment from the buyer;
3° Failing this, the buyer, if he is acting in the course of his professional activity.