ORDERS — PURCHASE ORDER (ORDERS)
EDIFACT Message Type
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The core EDI message for ordering goods or services. It states which product is wanted, in what quantity, at what price and for delivery when.
Who sends it
Sent by the buyer to the supplier.
ORDERS is the starting point of the EDI chain. Once sent, the supplier usually replies with an ORDRSP, produces a DESADV when despatching the goods and an INVOIC when billing. These four messages are tied together by the BGM document number and RFF references.
To change an order you send an ORDCHG rather than a second ORDERS; to cancel one you set the third element of BGM to 1. Missing this distinction is the most common cause of duplicated orders.
Typical Segment Flow
UNB → UNH → BGM → DTM → NAD → CUX → LIN → IMD → QTY → PRI → UNS → MOA → UNT → UNZ