fALU Shipments Identifiers:
There are 4 formats
• 45XX: regular purchase order (PO) to a HUB (10 digits)
• 56XX: replenishment notice (RN) for VMI stock (10 digits)
• 47XX: stock transfer order (STO) for internal transfers (10 digits)
• 42XX: direct shipment PO (10 digits) (Outbound)
