Article 340U.K.
1.The organiser of the sale by public auction to whom the goods have been transmitted pursuant to a contract under which commission is payable on a public auction sale must issue a statement to his principal.
The statement issued by the organiser of the sale by public auction must specify separately the amount of the transaction, that is to say, the auction price of the goods less the amount of the commission obtained or to be obtained from the principal.
2.The statement drawn up in accordance with paragraph 1 shall serve as the invoice which the principal, where he is a taxable person, must issue to the organiser of the sale by public auction in accordance with Article 220.