The order type is a classification characteristic for orders. It consists of control information that is important for managing orders. The order type is client-based, which means that each order type can be used in all controlling areas. Possible order categories are in-house production, external procurement, unrestricted-use stock, and sales order with consumption. 4 types of PO in SAP - The following procurement types exist: - Standard - Subcontracting - Consignment - Stock transfer - External service |