Segments mentioned as per their structure order andREDare the mandatory ones. We must have valid data for the RED segments, for executing the IDOC.WPUBON POS interface: Upload sales docs (receipts) non-aggregated E1WPB01 POS interface, upload sales docs header data E1WPB02 POS interface, inbound processing sales docs items E1WPB03 POs interface, inbound processing sales docs conditions item E1WPB04 POS interface, inbound processing sales docs tax item E1WXX01 Segment for Customer Enhancements to be used as required E1WPB05 POS interface: inbound proc.sales docs, header, and conditions E1WPB07 POS interface: inbound processing sales docs tax segment E1WPB06 POS Interface, Upload Sales Documents Tender TypeWPUUMS POS interface: Upload sales data (compressed) E1WPU01 POS interface: inbound sales, header segment E1WPU02 POS interface, inbound sales, items E1WPU03 POS interface, inbound sales discounts E1WPU04 POS interface, inbound sales, item taxes E1WPU05 POS interface: inbound sales item taxes (values) E1WXX01 Segment for Customer Enhancements to be used as requiredWPUTAB POS interface: Upload day-end closing POS E1WPZ01 POS interface: inbound day-end closing, header segment E1WPZ02 POS interface: inbound payment list item E1WXX01 Segment for Customer Enhancements to be used as requiredWPUFIB POS interface: Upload Fin.Acc. Interface SRS/POS E1WPF01 POS interface: inbound proc. acc. doc. header segment E1WPF02 POS interface, accounting document upload, item segment E1WXX01 Segment for Customer Enhancements to be used as requiredWPUWBW POS interface: Upload goods movements E1WPG01 POS interface, inbound, goods movements, header segment E1WPG02 POS interface, upload goods movements, items E1WXX01 Segment for Customer Enhancements to be used as required