850 Purchase Order
Turn5 · X12 004010
Turn5’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
15 of 15 segments
HEADING
ST
Transaction Set Header ST
pos 010
Optional
max —
BEG
Beginning Segment For Purchase Order BEG
pos 020
Required
max —
REF
Reference Identification REF
pos 050
Optional
max —
PER
Administrative Communications Contact PER
pos 060
Optional
max 3
DTM
Date Time Reference DTM
pos 150
Optional
max 10
TD5
Carrier Details Routing Sequence Transit Time TD5
pos 240
Optional
max 12
N1 Looprepeats 200
N1
Name N1
pos 310
Required
max —
N3
Address Information N3
pos 330
Optional
max 2
N4
Geographic Location N4
pos 340
Optional
max —
PER
Administrative Communications Contact PER
pos 360
Optional
max —
DETAIL
PO1 Looprepeats 100000required
PO1
Baseline Item Data PO1
pos 010
Required
max —
PID Looprepeats 1000
PID
Product Item Description PID
pos 050
Required
max —
MSG
Message Text MSG
pos 289
Optional
max —
SUMMARY
CTT Loop
CTT
Transaction Totals CTT
pos 010
Required
max —
SE
Transaction Set Trailer SE
pos 030
Optional
max —
Validate a 850
Paste or upload a document and check it against Turn5’s published rules — segment order and repetition, required elements, field lengths, data types and accepted codes. Nothing is stored.
Go live on Turn5’s 850 in days, not months
Weredi maps this guide to your ERP, runs the test cycle with Turn5, and keeps the spec current as it changes.