Purchase orders
A commitment to a supplier: what to receive, and what you'll be billed for.
A purchase order is a commitment to buy from a supplier. It may come from comparing or be raised directly, and it's the document and reconcile against.
Like a in reverse, a purchase order line keeps two independent counters: how much has been received, and how much has been invoiced. It only closes when both are satisfied. Receiving and billing advance the same order along separate axes.
Line fields
FieldType
What's being bought.
Ordered quantity.
Received so far;
quantity to receive is the remainder.Billed so far;
quantity to invoice is the remainder.Converts the supplier's purchase unit to the stock unit.
Types
A purchase order is one of three kinds: a plain Purchase, a Return to the supplier, or — sending parts out to a vendor for a production step, where the line links to a job operation.
Status
The status is computed from the state of its lines, never set by hand.
Off-track
To Receive and Invoice
Confirmed; nothing received or billed yet.