Abstract: The purpose of the present invention is to implement management in a more expedient manner than heretofore in a commercial transaction involving import/export. Provided is a sales management system which, on receiving a request for salability decision from a first country for each product which has been assigned a first management information: decides the salability for a second country; responds with a second management information for the salable products to the requestor in the first country; stores the first management information in linkage with the second management information; and on the basis of the linked first management information and second management information, implements management relating to the sale of the products in the second country, involving export of a single consolidated shipment of the products, which are sold by different manufacturers and have different owners, from the first country to the second country.