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Special Order Types 
For rush orders you do not need an allocation, because the goods leave your own warehouse on the same day at the latest. It is assumed that only those goods are available for sales that actually exist in the warehouse. The stock situation remains clear. You can tell the customer directly whether the ordered goods are available in the requested quantity. So that a delivery is created when saving a sales order, the allocation run must be triggered, just like in the standard ERP. For this it is necessary to store an allocation type for each sales area in AFS Customizing for the order types SO (rush order) and BV (cash sales). That means that the allocation is automatically carried out for these order types after you have saved the document.
The consignment processing is subdivided in the following business procedures:
· Consignment fill-up
· Consignment issue
· Consignment pick-up
· Consignment returns
The consignment fill-up is the filling of the consignment stores of our customer. The goods must be posted from the unrestricted-use stock to the consignment stock of the customer. As the goods are withdrawn from the unrestricted-use stock, the settings of the allocation run for this business transaction are identical to the settings of a standard order. When the goods issue is posted, the materials are transferred to the consignment stock (special stock). There are no special settings required for this.
The consignment issue is the withdrawal of goods by the customer from the consignment stock. For the system, this withdrawal means a stock reduction of the special stock. Therefore the allocation run must access the special stock instead of the unrestricted-use stock during the stock selection. You must choose a stock selection that selects the special stock MSKU with the stock segment KULAB. As there is no delivery of goods, the delivery can be immediately carried out when the sales order is saved (sales order type KE). To do so, you must directly assign an allocation type to the order type KE, as described in the section Rush Order / Cash Sales.
If the goods from the consignment stock of the customer are returned to the normal stock of our plant, it is called a consignment pick-up. For the system the returned quantity must be posted from the special stock to the unrestricted-use stock. Make the settings for the allocation run as you would make them for the consignment issue. You need a stock selection that accesses stock type MSKU and segment KULAB in this case as well.
Both consignment issues and consignment pick-ups must not exceed the quantity in the special stock. The maximum that you can withdraw or return is the quantity that has been posted to the consignment stock. AFS does not support negative stock.
If your customer takes back goods into the consignment stock that were previously withdrawn, this procedure is called consignment returns. For this process you do not need an allocation run. For more information see Returns Processing.
During a third-party business transaction there is no goods issue from the warehouse. The goods are sent directly from the vendor to the customer. That means that you do not need to map any goods movements from the warehouse to the customer. You therefore do not need to carry out an allocation run for this order type.
If you produce or order materials specially for one of your customers, these materials should not participate in a general allocation run. You must make sure that exactly these goods are delivered to that particular customer. Therefore, the corresponding quantities are not posted to the unrestricted-use stock, but to the customer special stock. It is therefore necessary to implement the stock selection to the customer special stock MSKA with the segment KALAB.
AFS does not support an allocation logic according to equal distribution for sales order stock.
Although the returns processing is a sales document type from which a (return) delivery is created, an allocation run is not required. Returns are the only sales order type for which you do not need an ARun. If a material is returned you must not decide which customer the goods should be assigned to, but rather the goods must be posted to your returns stock. An allocation run is therefore not required. To ensure that an allocation run is not carried out when using the sales order type RE, you must select the sales document category “H” in the sales document type.
If you want to use the stock transport order with an SD delivery, you must store an allocation type for each purchasing document type. This ensures that the allocation run is started in the background when later processing the delivery list. The allocation type is stored dependent on the purchasing document type and the supplying plant.