PO
Warehousing & 3PLPurchase Order
The buyer's order to a supplier, listing the goods, quantities, and price.
In practice
In logistics the PO number ties the shipment to the buyer's system. Forwarders doing PO management track each PO from supplier booking to delivery. The consignee's warehouse receives against the PO.
Seen in the wild
Please quote PO 45678 on the HBL and packing list.