855 Purchase Order Acknowledgment
AutoAnything · X12 004010
AutoAnything’s published 855 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
9 of 9 segments
HEADING
ST
Transaction Set Header ST
pos 010
Optional
max —
BAK
Beginning Segment For Purchase Order Acknowledgment BAK
pos 020
Required
max —
CUR
Currency CUR
pos 040
Optional
max —
REF
Reference Identification REF
pos 050
Required
max —
DETAIL
PO1 Looprepeats 100000
PO1
Baseline Item Data PO1
pos 010
Required
max —
ACK Looprepeats 104
ACK
Line Item Acknowledgment ACK
pos 270
Required
max —
DTM
Date Time Reference DTM
pos 280
Optional
max —
SUMMARY
CTT Looprepeats 1
CTT
Transaction Totals CTT
pos 010
Required
max —
SE
Transaction Set Trailer SE
pos 030
Optional
max —
Validate a 855
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