X12-810-IT1
X12 810 IT1 is the IT1 segment in X12 810 (Invoice) Transaction Set that describes an invoice line: quantity, unit, price and product identification.
Definition
IT1 opens each line loop in an 810. Its structure: assigned identification (IT101), quantity (IT102), unit of measure (IT103), unit price (IT104), basis of price (IT105), product code qualifier 1-5 (IT106-IT113). It is the cornerstone of an X12 invoice.
Origin
Present since the first 810 version (002001, 1983). The structure is unchanged across all subsequent versions.
Use
A line for 10 units at USD 25.00: IT1*1*10*EA*25.00**UP*012345678901*BP*ACME-WIDGET-001. The UP (UPC) and BP (Buyer's Part Number) coexist in the same segment.