This WSDL document describes the Manufacturer service for the WS-I Basic Sample Application. This service is part of a supply chain management system. It is used to demonstrate a web service that is conformant with the Basic Profile and to show how different web service platforms can interoperate. A purchase order. A response of true indicates the purchase order has been accepted for processing. A reason code for the rejection of a given PO that can be matched through the conversationID in the callback section of the SOAP header. A shipment notification. Alternative to SNSubmit, indicates a reason for the rejection of a given PO after having been acknowledged by the Manufacturer. Contains callback information with which to find the original replenishment request. A response of true indicates the shipment notice has been accepted for processing. To be used in SOAP headers for relating two req/resp message pairs sent asynchronously. The CallbackFault indicates a reason for the rejection of the second req/resp pair. Submit a purchase order for specified items to the manufacturer. Submit a shipment notice for specified items to the retailer. Notify warehouse there was an error in processing a submitted PO.