Glossary
Purchase order
Also called: PO
A purchase order is the document you send a supplier to order stock. It lists what you want, how many, and what you agreed to pay.
Most of its value arrives later. The purchase order is the only record of what was meant to turn up, so it is what you count the boxes against.
What is on one
Nearly every purchase order carries the same six things:
- A number, like PO-1042, so both sides can find it later
- The supplier, and where the order is going
- One line per product, with the quantity
- The unit cost you agreed, which may not be the list price
- A delivery date
- Which of your locations it is bound for
Shopify does not build purchase orders on its own. Stores use a spreadsheet, the supplier’s own form, or an app.
Why it matters at the door
A delivery with no purchase order behind it is a guess. You have boxes, a delivery note written by the supplier, and nothing of your own to check it against.
Counting against the purchase order is what catches a short delivery on the day it lands. Counting against the delivery note only proves the supplier packed what the supplier says they packed. The full method is in how to receive a purchase order in Shopify.
Where it goes wrong
Orders get closed early. A supplier sends 40 of the 60 you asked for, someone marks the order done, and the last 20 are never chased. That is a part delivery, and the order needs to stay open until the rest lands.
The other common fault is booking stock in from the delivery note because it is quicker. It is also how stock accuracy starts to slip.
Related terms
Goods received note
Also called: GRN
A goods received note is your own record of what a delivery actually contained, written by the person who counted it.
Part delivery
Also called: Partial shipment
A part delivery is when a supplier sends some of an order now and the rest later, against the same purchase order.
Advance shipping notice
Also called: ASN
An advance shipping notice is a message from a supplier saying what they have dispatched and when it should reach you.