855 Retail Purchase Order Acknowledgment
Amazon · X12 004010
Amazon’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
8 of 8 segments
HEADING
ST
Transaction Set Header ST
pos 010
Optional
max —
BAK
Beginning Segment For Purchase Order Acknowledgment BAK
Please Note: All of BAK01, BAK02, BAK03 and BAK04 are mandatory and must be present or the file will reject in the Amazon.com systems. BAK02 AC should be used if response happens with change on quantity
and price, BAK02 AD should be used if no change apply to quantity and price.
Sample Data:
BAK*00*AC*U7229659*20070801
pos 020
Required
max —
DETAIL
PO1 Looprequired
PO1
Baseline Item Data PO1
Sample Data:
PO1*1*16*EA*10.96*NT*EN*9780764327834
pos 010
Required
max —
CTP
Pricing Information CTP
The CTP segment is required only if a vendor sells books with a list price. Do not include the CTP segment if there is no list price on the book, or if you do not have product data. If the CTP segment is included and is missing any of the required data, the file will reject in the Amazon systems.
The CTP segment is required only if a vendor sells books with a list price. Do not include the CTP segment if there is no list price on the book, or if you do not have product data. If the CTP segment is included and is missing any of the required data, the file will reject in the Amazon systems.
Sample Data:
CTP**SLP*9.95*103*UN*DIS*.44
pos 040
Optional
max —
ACK Looprequired
ACK
Line Item Acknowledgment ACK
The ACK segment is a mandatory part of the 855 and any message without it will be rejected in Amazon's systems. As a minimum, one ACK segment has to be provided for each line item. You can also use multiple ACK segments to indicate different responses and expected ship dates for a line item. If you can provide Estimated Shipment Dates, you have to state it via the ACK04 with ACK05 elements.
For more information on how to use the ACK segment, please refer to the specific examples in the Appendix EDI 855document
Sample Data:
ACK*IA*5*EA*068*20130815
ACK*IB*3*EA*068*20130821
pos 270
Required
max —
DTM
Date Time Reference DTM
If you can provide Estimated delivery dates per line item, you have to state these in DTM02 with DTM01 qualifier 067.
Sample Data:
DTM*067*20070801
pos 280
Optional
max —
SUMMARY
CTT Loop
CTT
Transaction Totals CTT
Sample Data:
CTT*5*5
pos 010
Required
max —
SE
Transaction Set Trailer SE
pos 030
Optional
max —
Validate a 855
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