EDI Reference / segments / BEG
BEG
Beginning Segment for Purchase Order
Opens an 850 — PO number, type, and date.
Key elements
| Element | Name | What it carries |
|---|---|---|
| BEG02 | PO Type Code | e.g. SA = stand-alone order. |
| BEG03 | Purchase Order Number | The PO number everything references. |
| BEG05 | PO Date | When the order was written. |
Key elements only — the ones that matter in retail trade, not the full element list.
Appears in
See a real BEG in context — paste any X12 and the Inspector breaks out every segment.
Inspect an X12 free