PIA
Additional Product ID. The EDIFACT segment that stacks the other product references alongside the primary identifier on LIN.
Definition
The UN/EDIFACT D.96A directory defines PIA as "to specify additional or substitute identifiers for an item". The segment is composed of:
- 4347 — Product identifier code qualifier (mandatory): UNCL 4347, e.g.
1Additional identification,2Substitute,5Product identification preferred by industry,6Product version number. - C212 — Item number identification (1 to 5): up to 5 additional references, each with its identifier (7140), type (7143 UNCL — e.g.
BPBuyer's part number,SASupplier's article number,SRVEAN.UCC GTIN,MNModel number,HSHarmonised system,UPUPC), code list (1131), and agency (3055).
Origin
PIA has been in EDIFACT since D.93A. It is heavily consumed by ORDERS, ORDRSP, INVOIC, DESADV, IFTMIN: whenever a product appears in a LIN line, PIA provides the cross-references (supplier item number, GS1 GTIN, customs code, manufacturer code) required for matching and archival.
Example in context
ORDERS line with GS1 GTIN + supplier reference:
Reading: LIN carries the primary GTIN, a PIA Additional (1)
adds supplier reference SUPPLIER-REF-78 (Supplier's article
number), a PIA Industry preferred (5) adds customs HS 8473.30.