BIG-X12
The business header of the 810 — date, invoice number, referenced PO.
Definition
BIG carries BIG01 (Invoice issue date, YYYYMMDD), BIG02 (Invoice number, 22 chars), BIG03 (Referenced PO date), BIG04 (PO number), BIG05 (PO release number), BIG06 (Change order sequence), BIG07 (Transaction Type Code), BIG08 (Transaction Set Purpose Code). Position 0200, mandatory in 810 and 880.
Origin
Defined by ASC X12, main segment of Transaction Set 810 (Invoice) and 880 (Grocery Products Invoice).
Example in context
BIG*20260514*INV-9876*20260510*PO-4242~