850 Purchase Order
Carquest · X12 004040
Carquest’s published 850 specification, rendered as an interactive guide. Expand any segment to see its elements, data types, lengths and accepted codes — then validate your own document against it below.
Specification
11 of 11 segments
HEADING
ST
Transaction Set Header ST
pos 0100
Optional
max —
BEG
Beginning Segment For Purchase Order BEG
pos 0200
Required
max —
REF
Reference Identification REF
pos 0500
Optional
max —
N9 LoopN9 Loop Mutually Definedvariant 1 of 2
N9
Reference Identification N9
pos 2950
Required
max —
MTX
Text MTX
pos 3000
Optional
max —
N9 LoopN9 Loop Site Specific Procedures, Terms, and Conditionsvariant 2 of 2required
N9
Reference Identification N9
pos 2950
Required
max —
MTX
Text MTX
pos 3000
Required
max —
N1 Looprequired
N1
Name N1
pos 3100
Required
max —
DETAIL
PO1 Looprequired
PO1
Baseline Item Data PO1
pos 0100
Required
max —
SUMMARY
CTT Looprequired
CTT
Transaction Totals CTT
pos 0100
Required
max —
SE
Transaction Set Trailer SE
pos 0300
Optional
max —
Validate a 850
Paste or upload a document and check it against Carquest’s published rules — segment order and repetition, required elements, field lengths, data types and accepted codes. Nothing is stored.
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