855 Purchase Order Acknowledgment
American Hotel Registry Co · X12 004010
American Hotel Registry Co’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
pos 010
Required
max —
BAK
Beginning Segment for Purchase Order Acknowledgment
pos 020
Required
max —
DTM
Date/Time Reference
pos 040
Optional
max —
N1 Looprequired
N1
Name
pos 310
Required
max —
DETAIL
PO1 Looprequired
PO1
Baseline Item Data
pos 010
Required
max —
PID Loop
PID
Product/Item Description
pos 050
Optional
max —
ACK Looprequired
ACK
Line Item Acknowledgment
pos 270
Required
max —
SUMMARY
CTT Looprequired
CTT
Transaction Totals
pos 010
Required
max —
SE
Transaction Set Trailer
pos 030
Required
max —
Validate a 855
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