EDI Reference / segments / CTT
CTT

Transaction Totals

Control totals — number of line items (and sometimes a hash total).

Key elements

ElementNameWhat it carries
CTT01 Number of Line Items Count of PO1/IT1/etc. lines; used as a check.

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

Appears in

850 · Purchase Order 855 · Purchase Order Acknowledgment 810 · Invoice 832 · Price / Sales Catalog

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

Inspect an X12 free