during a traditional buying system, the client purchases the products from the wholesaler/retailer, and therefore the possession of the products transfers from the wholesaler/retailer to the client. This may not be the case with special Procurement sorts, wherever the transfer of products might not essentially be from the wholesaler/retailer to the client directly. as an example, you would possibly order a decent for a devotee of yours, who, in turn, purchases the products from the wholesaler/retailer so transfers the great to you. The friend is that the third party concerned during this method. Therefore, the possession of the fine indirectly transfers to the client. sort|this sort|this kind} of procurement is termed the special procurement type. The special procurement kind defines the external procurement or in-house production of the fabric. the subsequent list shows the special procurement sorts offered within the SAP system:  Consignment Subcontracting Stock transfer victimization the stock transport order (STO) Production in another plant Third-party process Returnable transport packaging Pipeline handling