X12
All Business Units
14segments
5loops
5mandatory
Schema Reference
14 segments · X12 855 Purchase Order Acknowledgment
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
BAK Beginning Segment for Purchase Order Acknowledgment
Mandatory Max: 1
BAK01 Transaction Set Purpose Code
BAK02 Acknowledgment Type
BAK03 Purchase Order Number
BAK04 Date
BAK05 Release Number
BAK09 Date
TD5 Carrier Details (Routing Sequence/Transit Time)
Optional Max: 12
TD505 Routing
N1 Name
Optional Max: 1
N101 Entity Identifier Code
N102 Name
N103 Identification Code Qualifier
N104 Identification Code
N3 Address Information
Optional Max: 2
N301 Address Information
N302 Address Information
N4 Geographic Location
Optional Max: 1
N401 City Name
N402 State or Province Code
N403 Postal Code
PO1 Baseline Item Data
Optional Max: 1
PO101 Assigned Identification
PO102 Quantity Ordered
PO103 Unit or Basis for Measurement Code
PO104 Unit Price
PO105 Basis of Unit Price Code
PO106 Product/Service ID Qualifier
PO107 Product/Service ID
PO108 Product/Service ID Qualifier
PO109 Product/Service ID
PO110 Product/Service ID Qualifier
PO111 Product/Service ID
PO112 Product/Service ID Qualifier
PO113 Product/Service ID
PO114 Product/Service ID Qualifier
PO115 Product/Service ID
PO116 Product/Service ID Qualifier
PO117 Product/Service ID
PO118 Product/Service ID Qualifier
PO119 Product/Service ID
PO120 Product/Service ID Qualifier
PO121 Product/Service ID
PO122 Product/Service ID Qualifier
PO123 Product/Service ID
PO124 Product/Service ID Qualifier
PO125 Product/Service ID
PO3 Additional Item Detail
Optional Max: 25
PO304 Unit Price
PO305 Basis of Unit Price Code
PO306 Quantity
PO307 Unit or Basis for Measurement Code
PID Product/Item Description
Optional Max: 1
PID05 Description
ACK Line Item Acknowledgment
Optional Max: 1
ACK01 Line Item Status Code
ACK02 Quantity
ACK03 Unit or Basis for Measurement Code
ACK04 Date/Time Qualifier
ACK05 Date
CTT Transaction Totals
Optional Max: 1
CTT01 Number of Line Items
CTT02 Hash Total
SE Transaction Set Trailer
Mandatory Max: 1
SE01 Number of Included Segments
SE02 Transaction Set Control Number
How It Works
Automating Edges Electrical Group EDI 855
Stacksync validates, transforms, and delivers your 855 transactions automatically — so your team can focus on operations, not EDI compliance.
Validate
Transform
Route
Monitor
Stacksync generates and sends 855 Purchase Order Acknowledgments automatically when your system confirms an order. Accept, reject, or modify line items through your ERP — Stacksync handles the EDI formatting and transmission.
Edges Electrical Group EDI 855 FAQ
Common questions about 855 Purchase Order Acknowledgment transactions with Edges Electrical Group.
How long does it take to set up Edges Electrical Group EDI with Stacksync?
Most suppliers are fully connected and processing live Edges Electrical Group EDI transactions within 3–5 business days. Stacksync's no-code setup means you don't need developers or EDI consultants — configure your field mappings through our visual interface, run a test cycle, and go live.
POC from integration engineers
No-code EDI setup
Real-time compliance monitoring
White-glove onboarding