In the international trade, once an order from the importer is accepted by the exporter,’ he should send a letter to the importer to confirm his acceptance of the order. If the exporter finds it difficult 10 accept the importer’s order because the goods ordered are not available or prices have changed, he should send a reply too.In this case, the exporter may recommend some substitutes, suggest other opportunities to de business together or just decline the order, but should never forget to show his regret and to give the reasons for refusal.