Purchase orders
PO acknowledgement
A PO acknowledgement is a supplier's formal response to a purchase order, confirming acceptance and stating the terms it will actually meet — quantities, prices, and delivery dates. It matters because the acknowledged terms, not the ordered terms, are what the supplier has committed to.
Also known as: purchase order acknowledgement, POA, order confirmation
Why the acknowledgement is the real commitment
A purchase order is a request. An acknowledgement is a commitment. The gap between them is where most avoidable supply problems originate.
A supplier may accept the order but change the date, confirm a smaller quantity, split the line across two shipments, substitute a part revision, or apply a different price. Each of those is a change to what the buying organisation is actually going to receive, and each is easy to miss when the acknowledgement arrives as a sentence in an email.
If the ERP still holds the requested date after the supplier has confirmed a later one, then every downstream plan built on that date is wrong — and nobody knows it yet.
Common failure modes
Four patterns account for most acknowledgement problems.
- No acknowledgement at all, and nobody notices because there is no exception report for silence.
- An acknowledgement that differs from the PO, accepted implicitly because nobody compared the two line by line.
- An acknowledgement received and understood by the buyer, but never entered into the ERP.
- A date confirmed once and never re-confirmed, so a later movement goes undetected until receipt.
How Evolinq handles it
Evolinq extracts acknowledgements from free-text supplier email, compares them line by line against the PO, and writes the confirmed terms back — so the ERP holds the commitment rather than the request.
Frequently asked questions
What is a PO acknowledgement?
A PO acknowledgement is the supplier's formal reply to a purchase order confirming acceptance and stating the quantities, prices, and dates it will actually meet. Because those terms can differ from the ones ordered, the acknowledgement — not the PO — defines what the buyer should expect.
What is the difference between a PO and a PO acknowledgement?
A purchase order is the buyer's request. A PO acknowledgement is the supplier's commitment in response. They are frequently not identical, and the difference — a moved date, a partial quantity, a revised price — is what downstream planning needs to reflect.
In EDI, which transaction is a PO acknowledgement?
In ANSI X12, the purchase order is an 850 and the acknowledgement is an 855. In EDIFACT the equivalents are ORDERS and ORDRSP. Suppliers without EDI send the same information as free-text email or an attached document.