AT&T
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Purchase Order Acknowledgment
  • Specification
  • EDI Inspector
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X12 855 Purchase Order Acknowledgment

X12 Release 4010
Delimiters
  • ~ Segment
  • * Element
  • > Component
EDI sample
  • Sample
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Overview
ISA
-
Interchange Control Header
Max use 1
Required
GS
-
Functional Group Header
Max use 1
Required
heading
ST
010
Transaction Set Header
Max use 1
Required
BAK
020
Beginning Segment for Purchase Order Acknowledgment
Max use 1
Required
REF
050
PO Type
Max use 1
Required
REF
050
Revision Number
Max use 1
Required
PER
060
Administrative Communications Contact
Max use 3
Optional
DTM
150
PO Received
Max use 1
Required
DTM
150
Revision
Max use 1
Optional
Ship To
detail
PO1 Loop
PO1
010
Baseline Item Data
Max use 1
Required
SLN Loop
SLN
490
Subline Item Detail
Max use 1
Required
PID
510
Product/Item Description
Max use 1000
Required
PO3
520
Additional Item Detail
Max use 25
Required
ACK
530
Line Item Acknowledgment
Max use 104
Required
N9 Loop
GE
-
Functional Group Trailer
Max use 1
Required
IEA
-
Interchange Control Trailer
Max use 1
Required
ISA

Interchange Control Header

RequiredMax use 1
Example
ISA-01
I01
Authorization Information Qualifier
Required
Identifier (ID)
00
No Authorization Information Present (No Meaningful Information in I02)
ISA-02
I02
Authorization Information
Required
String (AN)
Min 10Max 10
ISA-03
I03
Security Information Qualifier
Required
Identifier (ID)
00
No Security Information Present (No Meaningful Information in I04)
ISA-04
I04
Security Information
Required
String (AN)
Min 10Max 10
ISA-05
I05
Interchange ID Qualifier
Required
Identifier (ID)
Min 2Max 2
Codes
ISA-06
I06
Interchange Sender ID
Required
String (AN)
Min 15Max 15
ISA-07
I05
Interchange ID Qualifier
Required
Identifier (ID)
Min 2Max 2
Codes
ISA-08
I07
Interchange Receiver ID
Required
String (AN)
Min 15Max 15
ISA-09
I08
Interchange Date
Required
Date (DT)
YYMMDD format
ISA-10
I09
Interchange Time
Required
Time (TM)
HHMM format
ISA-11
I10
Interchange Control Standards Identifier
Required
Identifier (ID)
U
U.S. EDI Community of ASC X12, TDCC, and UCS
ISA-12
I11
Interchange Control Version Number
Required
Identifier (ID)
00401
Draft Standards for Trial Use Approved for Publication by ASC X12 Procedures Review Board through October 1997
ISA-13
I12
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9
ISA-14
I13
Acknowledgment Requested
Required
Identifier (ID)
Min 1Max 1
0
No Acknowledgment Requested
1
Interchange Acknowledgment Requested
ISA-15
I14
Usage Indicator
Required
Identifier (ID)
Min 1Max 1
I
Information
P
Production Data
T
Test Data
ISA-16
I15
Component Element Separator
Required
String (AN)
Min 1Max 1
>
Component Element Separator

Functional Group Header

RequiredMax use 1
Example
GS-01
479
Functional Identifier Code
Required
Identifier (ID)
PR
Purchase Order Acknowledgement (855)
GS-02
142
Application Sender's Code
Required
String (AN)
Min 2Max 15
GS-03
124
Application Receiver's Code
Required
String (AN)
Min 2Max 15
Required
Date (DT)
CCYYMMDD format
Required
Time (TM)
HHMM, HHMMSS, HHMMSSD, or HHMMSSDD format
GS-06
28
Group Control Number
Required
Numeric (N0)
Min 1Max 9
GS-07
455
Responsible Agency Code
Required
Identifier (ID)
Min 1Max 2
T
Transportation Data Coordinating Committee (TDCC)
X
Accredited Standards Committee X12
GS-08
480
Version / Release / Industry Identifier Code
Required
String (AN)
004010
Draft Standards Approved for Publication by ASC X12 Procedures Review Board through October 1997

Heading

ST
010
Heading > ST

Transaction Set Header

RequiredMax use 1
Example
ST-01
143
Transaction Set Identifier Code
Required
Identifier (ID)
855
Purchase Order Acknowledgment
ST-02
329
Transaction Set Control Number
Required
Numeric (N)
Min 4Max 9
BAK
020
Heading > BAK

Beginning Segment for Purchase Order Acknowledgment

RequiredMax use 1
Usage notes
Example
BAK-01
353
Transaction Set Purpose Code
Required
Identifier (ID)
00
Original
BAK-02
587
Acknowledgment Type
Required
Identifier (ID)
AC
Acknowledge - With Detail and Change
AT
Accepted
RD
Reject with Detail
BAK-03
324
Purchase Order Number
Required
String (AN)
Min 1Max 22
Required
Date (DT)
CCYYMMDD format
BAK-05
328
Release Number
Required
String (AN)
Min 1Max 30
Usage notes
BAK-06
326
Request Reference Number
Required
String (AN)
Min 1Max 45
Usage notes
BAK-08
127
Reference Identification
Required
String (AN)
Min 1Max 30
Usage notes
REF
050
Heading > REF

PO Type

RequiredMax use 1
Usage notes
Example
Variants (all may be used)
REFRevision Number
REF-01
128
Reference Identification Qualifier
Required
Identifier (ID)
ZZ
Mutually Defined
REF-02
127
Reference Identification
Optional
String (AN)
Min 1Max 30
REF
050
Heading > REF

Revision Number

RequiredMax use 1
Usage notes
Example
Variants (all may be used)
REFPO Type
REF-01
128
Reference Identification Qualifier
Required
Identifier (ID)
YB
Revision Number
REF-02
127
Reference Identification
Optional
String (AN)
Min 1Max 30
PER
060
Heading > PER

Administrative Communications Contact

OptionalMax use 3
Usage notes
Example
If either Communication Number Qualifier (PER-03) or Communication Number (PER-04) is present, then the other is required
PER-01
366
Contact Function Code
Required
Identifier (ID)
BD
Buyer Name or Department
Optional
String (AN)
Min 1Max 60
PER-03
365
Communication Number Qualifier
Optional
Identifier (ID)
Min 2Max 2
PER-04
364
Communication Number
Optional
String (AN)
Min 1Max 80
DTM
150
Heading > DTM

PO Received

RequiredMax use 1
Usage notes
Example
Variants (all may be used)
DTMRevision
DTM-01
374
Date/Time Qualifier
Required
Identifier (ID)
008
Purchase Order Received
Optional
Date (DT)
CCYYMMDD format
DTM
150
Heading > DTM

Revision

OptionalMax use 1
Usage notes
Example
Variants (all may be used)
DTMPO Received
DTM-01
374
Date/Time Qualifier
Required
Identifier (ID)
171
Revision
Optional
Date (DT)
CCYYMMDD format
N1 Ship To
RequiredMax 1
Variants (all may be used)
Supplier
N1
300
Heading > Ship To > N1

Name

RequiredMax use 1
Usage notes
Example
N1-01
98
Entity Identifier Code
Required
Identifier (ID)
ST
Ship To
Required
String (AN)
Min 1Max 60
Usage notes
N1-03
66
Identification Code Qualifier
Required
Identifier (ID)
92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
String (AN)
Min 2Max 80
Usage notes
N3
320
Heading > Ship To > N3

Address Information

RequiredMax use 2
Usage notes
Example
N3-01
166
Address Information
Required
String (AN)
Min 1Max 55
N4
330
Heading > Ship To > N4

Geographic Location

RequiredMax use 1
Usage notes
Example
N4-01
19
City Name
Required
String (AN)
Min 2Max 30
N4-02
156
State or Province Code
Required
Identifier (ID)
Min 2Max 2
N4-03
116
Postal Code
Required
Identifier (ID)
Min 3Max 15
N4-04
26
Country Code
Required
Identifier (ID)
Min 2Max 3
PER
350
Heading > Ship To > PER

Administrative Communications Contact

RequiredMax use >1
Usage notes
Example
If either Communication Number Qualifier (PER-05) or Communication Number (PER-06) is present, then the other is required
If either Communication Number Qualifier (PER-07) or Communication Number (PER-08) is present, then the other is required
PER-01
366
Contact Function Code
Required
Identifier (ID)
ST
Ship To Contact
Required
String (AN)
Min 1Max 60
PER-03
365
Communication Number Qualifier
Required
Identifier (ID)
TE
Telephone
PER-04
364
Communication Number
Required
String (AN)
Min 1Max 80
PER-05
365
Communication Number Qualifier
Optional
Identifier (ID)
FX
Facsimile
PER-06
364
Communication Number
Optional
String (AN)
Min 1Max 80
PER-07
365
Communication Number Qualifier
Optional
Identifier (ID)
EM
Electronic Mail
PER-08
364
Communication Number
Optional
String (AN)
Min 1Max 80
N1 Ship To end
N1 Supplier
RequiredMax 1
Variants (all may be used)
Ship To
N1
300
Heading > Supplier > N1

Name

RequiredMax use 1
Usage notes
Example
N1-01
98
Entity Identifier Code
Required
Identifier (ID)
SU
Supplier/Manufacturer
Required
String (AN)
Min 1Max 60
Usage notes
N1-03
66
Identification Code Qualifier
Required
Identifier (ID)
92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
String (AN)
Min 2Max 80
Usage notes
N3
320
Heading > Supplier > N3

Address Information

RequiredMax use 2
Usage notes
Example
N3-01
166
Address Information
Required
String (AN)
Min 1Max 55
N4
330
Heading > Supplier > N4

Geographic Location

RequiredMax use 1
Usage notes
Example
N4-01
19
City Name
Required
String (AN)
Min 2Max 30
N4-02
156
State or Province Code
Required
Identifier (ID)
Min 2Max 2
N4-03
116
Postal Code
Required
Identifier (ID)
Min 3Max 15
N4-04
26
Country Code
Required
Identifier (ID)
Min 2Max 3
PER
350
Heading > Supplier > PER

Administrative Communications Contact

RequiredMax use >1
Usage notes
Example
If either Communication Number Qualifier (PER-05) or Communication Number (PER-06) is present, then the other is required
If either Communication Number Qualifier (PER-07) or Communication Number (PER-08) is present, then the other is required
PER-01
366
Contact Function Code
Required
Identifier (ID)
SU
Supplier Contact
Required
String (AN)
Min 1Max 60
PER-03
365
Communication Number Qualifier
Required
Identifier (ID)
TE
Telephone
PER-04
364
Communication Number
Required
String (AN)
Min 1Max 80
PER-05
365
Communication Number Qualifier
Optional
Identifier (ID)
FX
Facsimile
PER-06
364
Communication Number
Optional
String (AN)
Min 1Max 80
PER-07
365
Communication Number Qualifier
Optional
Identifier (ID)
EM
Electronic Mail
PER-08
364
Communication Number
Optional
String (AN)
Min 1Max 80
N1 Supplier end
Heading end

Detail

PO1 Loop
RequiredMax >1
PO1
010
Detail > PO1 Loop > PO1

Baseline Item Data

RequiredMax use 1
Usage notes
Example
PO1-01
350
Assigned Identification
Optional
String (AN)
Min 1Max 20
Usage notes
PO1-02
330
Quantity Ordered
Required
Decimal number (R)
Min 1Max 15
PO1-03
355
Unit or Basis for Measurement Code
Required
Identifier (ID)
EA
Each
PO1-04
212
Unit Price
Required
Decimal number (R)
Min 1Max 15
PO1-06
235
Product/Service ID Qualifier
Required
Identifier (ID)
SK
Stock Keeping Unit (SKU)
PO1-07
234
Product/Service ID
Required
String (AN)
Min 1Max 48
PO1-08
235
Product/Service ID Qualifier
Required
Identifier (ID)
VN
Vendor's (Seller's) Item Number
PO1-09
234
Product/Service ID
Required
String (AN)
Min 1Max 48
SLN Loop
RequiredMax >1
SLN
490
Detail > PO1 Loop > SLN Loop > SLN

Subline Item Detail

RequiredMax use 1
Usage notes
Example
SLN-01
350
Assigned Identification
Required
String (AN)
Min 1Max 20
Usage notes
SLN-02
350
Assigned Identification
Required
String (AN)
Min 1Max 20
Usage notes
SLN-03
662
Relationship Code
Required
Identifier (ID)
O
Information Only
SLN-04
380
Quantity
Required
Decimal number (R)
Min 1Max 15
SLN-05
C001
Composite Unit of Measure
RequiredMax use 1
To identify a composite unit of measure (See Figures Appendix for examples of use)
C001-01
355
Unit or Basis for Measurement Code
Required
Identifier (ID)
EA
Each
SLN-06
212
Unit Price
Required
Decimal number (R)
Min 1Max 15
SLN-09
235
Product/Service ID Qualifier
Required
Identifier (ID)
SK
Stock Keeping Unit (SKU)
SLN-10
234
Product/Service ID
Required
String (AN)
Min 1Max 48
PID
510
Detail > PO1 Loop > SLN Loop > PID

Product/Item Description

RequiredMax use 1000
Usage notes
Example
PID-01
349
Item Description Type
Required
Identifier (ID)
F
Free-form
PID-05
352
Description
Required
String (AN)
Min 1Max 80
PO3
520
Detail > PO1 Loop > SLN Loop > PO3

Additional Item Detail

RequiredMax use 25
Usage notes
Example
PO3-01
371
Change Reason Code
Required
Identifier (ID)
Usage notes
UP
Unit Price
Optional
Date (DT)
CCYYMMDD format
PO3-03
236
Price Identifier Code
Required
Identifier (ID)
EST
Estimated Price
PO3-04
212
Unit Price
Required
Decimal number (R)
Min 1Max 15
Usage notes
PO3-06
380
Quantity
Required
Decimal number (R)
Min 1Max 15
PO3-07
355
Unit or Basis for Measurement Code
Required
Identifier (ID)
EA
Each
PO3-08
352
Description
Optional
String (AN)
Min 1Max 80
Usage notes
ACK
530
Detail > PO1 Loop > SLN Loop > ACK

Line Item Acknowledgment

RequiredMax use 104
Usage notes
Example
ACK-01
668
Line Item Status Code
Required
Identifier (ID)
AA
Item Accepted - Order Forwarded to Alternate Supplier Location
AC
Item Accepted and Shipped
AR
Item Accepted and Released for Shipment
BP
Item Accepted - Partial Shipment, Balance Backordered
DR
Item Accepted - Date Rescheduled
IA
Item Accepted
IB
Item Backordered
IC
Item Accepted - Changes Made
ID
Item Deleted
IE
Item Accepted, Price Pending
IF
Item on Hold, Incomplete Description
IH
Item on Hold
IP
Item Accepted - Price Changed
IQ
Item Accepted - Quantity Changed
IR
Item Rejected
IS
Item Accepted - Substitution Made
IW
Item on Hold-Waiver Required
R1
Item Rejected, Not a Contract Item
R2
Item Rejected, Invalid Item Product Number
R3
Item Rejected, Invalid Unit of Issue
R4
Item Rejected, Contract Item not Available
R5
Item Rejected, Reorder Item as a Just in Time (JIT) Order
R6
Item Rejected, Reorder Item as an Extended Delivery Order (EDO)
R7
Item Rejected, Reorder Item as a Drop Shipment
R8
Item Rejected, Reorder Item as a Surge Order
SP
Item Accepted - Schedule Date Pending
ACK-02
380
Quantity
Required
Decimal number (R)
Min 1Max 15
ACK-03
355
Unit or Basis for Measurement Code
Required
Identifier (ID)
EA
Each
ACK-04
374
Date/Time Qualifier
Required
Identifier (ID)
017
Estimated Delivery
Required
Date (DT)
CCYYMMDD format
ACK-06
326
Request Reference Number
Optional
String (AN)
Min 1Max 45
Usage notes
ACK-07
235
Product/Service ID Qualifier
Required
Identifier (ID)
SK
Stock Keeping Unit (SKU)
ACK-08
234
Product/Service ID
Required
String (AN)
Min 1Max 48
N9 Loop
OptionalMax >1
N9
563
Detail > PO1 Loop > SLN Loop > N9 Loop > N9

Reference Identification

RequiredMax use 1
Usage notes
Example
N9-01
128
Reference Identification Qualifier
Required
Identifier (ID)
ZZ
Mutually Defined
N9-02
127
Reference Identification
Optional
String (AN)
Min 1Max 30
MSG
565
Detail > PO1 Loop > SLN Loop > N9 Loop > MSG

Message Text

OptionalMax use >1
Usage notes
Example
MSG-01
933
Free-Form Message Text
Required
String (AN)
Min 1Max 264
MSG-02
934
Printer Carriage Control Code
Optional
Identifier (ID)
SS
Advance to new line before print
N9 Loop end
N1 Loop
RequiredMax >1
N1
576
Detail > PO1 Loop > SLN Loop > N1 Loop > N1

Name

RequiredMax use 1
Usage notes
Example
N1-01
98
Entity Identifier Code
Required
Identifier (ID)
ST
Ship To
Required
String (AN)
Min 1Max 60
N1-03
66
Identification Code Qualifier
Required
Identifier (ID)
92
Assigned by Buyer or Buyer's Agent
N1-04
67
Identification Code
Required
String (AN)
Min 2Max 80
REF
610
Detail > PO1 Loop > SLN Loop > N1 Loop > REF

Distribution List

RequiredMax use 1
Usage notes
Example
Variants (all may be used)
REFShipment ID
REF-01
128
Reference Identification Qualifier
Required
Identifier (ID)
KA
Distribution List
REF-02
127
Reference Identification
Required
String (AN)
Min 1Max 30
REF
610
Detail > PO1 Loop > SLN Loop > N1 Loop > REF

Shipment ID

RequiredMax use 1
Usage notes
Example
Variants (all may be used)
REFDistribution List
REF-01
128
Reference Identification Qualifier
Required
Identifier (ID)
SI
Shipper's Identifying Number for Shipment (SID)
REF-02
127
Reference Identification
Required
String (AN)
Min 1Max 30
N1 Loop end
SLN Loop end
PO1 Loop end
Detail end

Summary

CTT Loop
RequiredMax >1
CTT
010
Summary > CTT Loop > CTT

Transaction Totals

RequiredMax use 1
Usage notes
Example
CTT-01
354
Number of Line Items
Required
Numeric (N0)
Min 1Max 6
AMT
020
Summary > CTT Loop > AMT

Monetary Amount

RequiredMax use 1
Usage notes
Example
AMT-01
522
Amount Qualifier Code
Required
Identifier (ID)
TT
Total Transaction Amount
AMT-02
782
Monetary Amount
Required
Decimal number (R)
Min 1Max 15
Usage notes
CTT Loop end
SE
030
Summary > SE

Transaction Set Trailer

RequiredMax use 1
Example
SE-01
96
Number of Included Segments
Required
Numeric (N0)
Min 1Max 10
SE-02
329
Transaction Set Control Number
Required
Numeric (N)
Min 4Max 9
Summary end

Functional Group Trailer

RequiredMax use 1
Example
GE-01
97
Number of Transaction Sets Included
Required
Numeric (N0)
Min 1Max 6
GE-02
28
Group Control Number
Required
Numeric (N0)
Min 1Max 9

Interchange Control Trailer

RequiredMax use 1
Example
IEA-01
I16
Number of Included Functional Groups
Required
Numeric (N0)
Min 1Max 5
IEA-02
I12
Interchange Control Number
Required
Numeric (N0)
Min 9Max 9
EDI Samples

Sample

ST*855*0001~
BAK*00*AT*1317126*20070611*0*850**0001369955~
REF*YB*Revision Number~
REF*ZZ*Handset Device Accessory~
PER*BD*FirstName LastName*TE*123-456-7890~
DTM*008*20070620~
DTM*171*20070630~
N1*ST*Ship To Name*92*Ship To Code~
N3*STREET ADDRESS~
N4*CITY*ST*ZIPCO*US~
PER*ST*FirstName LastName*TE*123-456-7890~
N1*SU*Supplier Name*92*Supplier Code~
N3*STREET ADDRESS~
N4*CITY*ST*ZIPCO*US~
PER*SU*FirstName LastName*TE*123-456-7890~
PO1*1*100*EA*424**SK*RTL.12345*VN*Vendor Item Number~
SLN*0001*1*O*120*EA*290***SK*RTL.29805~
PID*F****ITEM DESCRIPTION~
PO3*UP**EST*120**0*EA*290.00~
ACK*IA*120*EA*017*20070608**SK*RTL.29805~
N9*ZZ*DETAIL MESSAGE NOTES~
MSG*FREE-FORM MESSAGE TEXT*SS~
N1*ST*Ship To Name*92*Ship To Code~
REF*KA*1~
REF*SI*1~
CTT*1~
AMT*TT*34800~
SE*28*0001~

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