Identification of purchase order through delivery note

For the standard process, the system first looks for a PO number directly on the invoice. However, if no PO number exists but a Delivery Note Number is present, the system automatically performs these steps:

• Queries ‘Supplier Delivery Note. Open’ (PPS360) in M3 to find the specified delivery note.
• Retrieves the PO number(s) and specific PO lines associated with that delivery note.
• Uses this information to perform the invoice matching process in 'Supplier Invoice Batch Entry' (APS450), ensuring a seamless link between the invoice, the delivery, and the original purchase order.

This feature ensures that invoices always link to the correct PO for matching. It is particularly useful for suppliers who invoice against shipments rather than individual purchase orders, allowing automated matching without manual lookups.