A purchaser´s written offer to a supplier formally stating all terms and conditions of a proposed transaction. Sometimes, in a certain number of international trade operations, international sale contracts are not made. In these cases, it is usual to confirm the operation with an international purchase order. This practise is usual for sales of a small amount of money and for repetitive sales to the same client concerning products which are not very complex or for products that do not have a high added value. Usually it is the exporter who issues this document. Nevertheless, sometimes, companies with international purchase experience (such trading companies) have their own international purchase order template where they establish the purchase conditions to their suppliers. Model of International Purchase Order.