Number Range Enhancement for Sales Order, Billing, Delivery and Shipment
Configuration of Number range in SAP is can be only done on document types. This poses limitation that one can only have sequential number based on document types. In case, there is a legal requirement to maintain sequential number of documents based on other parameters for example, customer or country then this cannot be achieved using SAP standard configuration and needs enhancements. Fortunately, SAP has provides exits specifically for this purpose.