X12
All Business Units
20segments
5loops
5mandatory
Schema Reference
20 segments · X12 860 Purchase Order Change Request
ISA ISA Interchange Control Header
Mandatory Max: 1
ISA01 Authorization Information Qualifier
ISA02 Authorization Information
ISA03 Security Information Qualifier
ISA04 Security Information
ISA05 Interchange ID Qualifier
ISA06 Interchange Sender ID
ISA07 Interchange ID Qualifier
ISA08 Interchange Receiver ID
ISA09 Interchange Date
ISA10 Interchange Time
ISA11 Interchange Control Standards Identifier
ISA12 Interchange Control Version Number
ISA13 Interchange Control Number
ISA14 Acknowledgment Requested
ISA15 Usage Indicator
GS GS Functional Group Header
Mandatory Max: 1
GS01 Functional Identifier Code
GS02 Application Sender's Code
GS03 Application Receiver's Code
GS04 Date
GS05 Time
GS06 Group Control Number
GS07 Responsible Agency Code
GS08 Version / Release / Industry Identifier Code
ST Transaction Set Header
Mandatory Max: 1
ST01 Transaction Set Identifier Code
ST02 Transaction Set Control Number
BCH Beginning Segment for Purchase Order Change
Mandatory Max: 1
BCH01 Transaction Set Purpose Code
BCH02 Purchase Order Type Code
BCH03 Purchase Order Number
BCH06 Date
BCH10 Date
CUR Currency
Optional Max: 1
CUR01 Entity Identifier Code
CUR02 Currency Code
REF Reference Identification
REF01 Reference Identification Qualifier
REF02 Reference Identification
ITD Terms of Sale/Deferred Terms of Sale
Optional Max: 5
ITD02 Terms Basis Date Code
ITD03 Terms Discount Percent
ITD05 Terms Discount Days Due
ITD07 Terms Net Days
ITD12 Description
DTM Date/Time Reference
Optional Max: 10
DTM01 Date/Time Qualifier
DTM02 Date
TD5 Carrier Details (Routing Sequence/Transit Time)
Optional Max: 12
TD505 Routing
N9 Reference Identification
Optional Max: 1
N901 Reference Identification Qualifier
N902 Reference Identification
MSG Message Text
Optional Max: 1,000
MSG01 Free-Form Message Text
N1 Name
Optional Max: 1
N101 Entity Identifier Code
N102 Name
N103 Identification Code Qualifier
N104 Identification Code
N2 Additional Name Information
Optional Max: 2
N201 Name
N202 Name
N3 Address Information
Optional Max: 2
N301 Address Information
N302 Address Information
N4 Geographic Location
N401 City Name
N402 State or Province Code
N403 Postal Code
N404 Country Code
POC Line Item Change
Optional Max: 1
POC01 Assigned Identification
POC02 Change or Response Type Code
POC03 Quantity Ordered
POC04 Quantity Left to Receive
POC06 Unit Price
POC07 Basis of Unit Price Code
POC08 Product/Service ID Qualifier
POC09 Product/Service ID
POC10 Product/Service ID Qualifier
POC11 Product/Service ID
POC12 Product/Service ID Qualifier
POC13 Product/Service ID
PID Product/Item Description
Optional Max: 1
PID01 Item Description Type
PID02 Product/Process Characteristic Code
PID05 Description
REF Reference Identification
REF01 Reference Identification Qualifier
REF02 Reference Identification
CTT Transaction Totals
Optional Max: 1
CTT01 Number of Line Items
SE Transaction Set Trailer
Mandatory Max: 1
SE01 Number of Included Segments
SE02 Transaction Set Control Number
How It Works
Automating Orgill, Inc. EDI 860
Stacksync validates, transforms, and delivers your 860 transactions automatically — so your team can focus on operations, not EDI compliance.
Validate
Transform
Route
Monitor
Stacksync detects incoming 860 PO Changes and updates the original order in your ERP automatically. Changed fields are highlighted and your team is notified — so you can review and confirm without manually comparing documents.
POC from integration engineers
No-code EDI setup
Real-time compliance monitoring
White-glove onboarding