The Business Advertisements (Disclosure) Order 1977. Advertisements are accepted on the understanding that they comply with the Business Advertisements (Disclosure) Order 1977 which requires all advertisements placed by persons who seek to sell goods, in the course of a business, to make that fact clear in the wording of their advertisements. All trade adverts should therefore be marked as 'Trade'. Madabout reserves the right to withhold adverts where we feel the advertiser is concealing their trade status.