Where a trader proposes to sell products to which this Order applies at less than the selling price or the unit price previously applicable and indicated in accordance with article 7(1), he may comply with the obligations specified in articles 4(1) (to indicate the selling price) and 5(1) (to indicate the unit price) by indicating by a general notice or any other visible means that the products are or may be for sale at a reduction, provided that the details of the reduction are prominently displayed, unambiguous, easily identifiable and clearly legible.