Receiving is how you log what actually came off the truck against a purchase order — close it out if the shipment was complete, keep the rest on backorder if it wasn't. It's also where you record the vendor's invoice and move the PO toward accounting.
In the POS mode, open the Orders left tab, then the Received top tab — that's where past receipts live. You receive a new shipment by opening a PO from the Ordered tab.

Receiving a PO does two things at once:
Ship to location goes up by however many units you record as received on each line. The moment you save the receipt, the count is live — a sale rung up the next minute can pull from it.COST column on the receive view is editable. If the vendor billed a different unit cost than what you ordered at — freight surcharge, contract override, price change since the PO was cut — correct it here. That cost flows through to the GL and to the product's landed cost.Receiving does not pay the vendor. That happens after you voucher the receipt (see After receiving — vouchering below).
The top-tab strip on Orders is the lifecycle: Ordered → Received → Vouchered → Paid. Each tab is a stage a PO moves through on its way from "stock is on the truck" to "bill is settled."
Open an Ordered PO and the detail view comes up in receive-editor mode — a QUANTITY cell per line showing the expected quantity and a stepper for what you actually received.

The stepper starts at the expected quantity. Change it for any line where the count differs. Rundoo shows the remaining delta below the stepper (-N if short, +N if over) so you can see at a glance what's off. Set quantities to 0 at the top of the line list is a one-click reset if you'd rather key each line from zero.
Two action buttons sit at the bottom right — that's the decision point for what happens to the PO next:

Receive and backorder — save what came in and keep the missing units on the PO as a backordered shipment. Use this when part of a shipment is in and you want Rundoo to track the remainder. The PO stays in Ordered; a new shipment appears for the backordered units, which you'll receive when they land. Stock is credited for what you received today; nothing happens to the backordered units until they show up.Receive and close — save what came in and treat the PO as done. Use this when the shipment was complete, or when a partial shipment is all you're going to get and you don't want Rundoo chasing the rest. The PO moves to the Received tab and the remaining quantities are written off.The buttons don't appear until at least one line has a received quantity. Clicking either fires off the update, drops a green confirmation banner at the bottom, and navigates you to the received-PO detail.
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Receiving updates on-hand inventory immediately. Don't click Receive and close until the stock is physically on the shelf — the quantity change is live the moment you commit.
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