EDI Reference / segments / N1
N1

Party Identification

Names a party — buyer, ship-to, vendor, remit-to — with a code.

Key elements

ElementNameWhat it carries
N101 Entity Identifier BY=buyer, ST=ship-to, SU=supplier, RE=remit-to.
N102 Name Party name.
N103/04 ID Qualifier & Code e.g. a DUNS or retailer location code.

Key elements only — the ones that matter in retail trade, not the full element list.

Appears in

850 · Purchase Order 855 · Purchase Order Acknowledgment 856 · Advance Ship Notice (ASN) 810 · Invoice 816 · Organizational Relationships 940 · Warehouse Shipping Order 875 · Grocery Products Purchase Order 877 · Manufacturer Coupon Family Code Structure 880 · Grocery Products Invoice

See a real N1 in context — paste any X12 and the Inspector breaks out every segment.

Inspect an X12 free