SAP Ariba EDI 855 PO Acknowledgment

Schema Reference

43 segments · X12 855 Purchase Order Acknowledgment

ISA01 Authorization Information Qualifier

M ID 2-2

ISA02 Authorization Information

M AN 10-10

ISA03 Security Information Qualifier

M ID 2-2

ISA04 Security Information

M AN 10-10

ISA05 Interchange ID Qualifier

M ID 2-2

ISA06 Interchange Sender ID

M AN 15-15

ISA07 Interchange ID Qualifier

M ID 2-2

ISA08 Interchange Receiver ID

M AN 15-15

ISA09 Interchange Date

M DT 6-6

ISA10 Interchange Time

M TM 4-4

ISA11 Interchange Control Standards Identifier

M ID 1-1

ISA12 Interchange Control Version Number

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested

M ID 1-1

ISA15 Usage Indicator

M ID 1-1

GS01 Functional Identifier Code

M ID 2-2

GS02 Application Sender's Code

M AN 2-15

GS03 Application Receiver's Code

M AN 2-15

GS04 Date

M DT 8-8

GS05 Time

M TM 4-8

GS06 Group Control Number

M N0 1-9

GS07 Responsible Agency Code

M ID 1-2

GS08 Version / Release / Industry Identifier Code

M AN 1-12

ST01 Transaction Set Identifier Code

M ID 3-3

ST02 Transaction Set Control Number

M AN 4-9

BAK01 Transaction Set Purpose Code

M ID 2-2

BAK02 Acknowledgment Type

M ID 2-2

BAK03 Purchase Order Number

M AN 1-22

BAK04 Date

M DT 8-8

BAK08 Reference Identification

O AN 1-30

BAK09 Date

O DT 8-8

CUR01 Entity Identifier Code

M ID 2-3

CUR02 Currency Code

M ID 3-3

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

REF03 Description

C AN 1-80

FOB01 Shipment Method of Payment

M ID 2-2

FOB04 Transportation Terms Qualifier Code

O ID 2-2

FOB05 Transportation Terms Code

C ID 3-3

SAC Loop Repeat: 25

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC06 Allowance/Charge Percent Qualifier

C ID 1-1

SAC07 Percent

C R 1-6

SAC12 Allowance or Charge Method of Handling Code

O ID 2-2

SAC13 Reference Identification

C AN 1-30

SAC14 Option Number

O AN 1-20

SAC15 Description

C AN 1-80

SAC16 Language Code

O ID 2-3

CUR01 Entity Identifier Code

M ID 2-3

CUR02 Currency Code

M ID 3-3

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

DTM03 Time

C TM 4-8

DTM04 Time Code

O ID 2-2

TXI01 Tax Type Code

M ID 2-2

TXI02 Monetary Amount

C R 1-18

TXI03 Percent

C R 1-10

TXI04 Tax Jurisdiction Code Qualifier

C ID 2-2

TXI05 Tax Jurisdiction Code

C AN 1-10

TXI06 Tax Exempt Code

C ID 1-1

TXI08 Dollar Basis For Percent

O R 1-9

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-30

N903 Free-form Description

C AN 1-45

MSG01 Free-Form Message Text

M AN 1-264

MSG02 Printer Carriage Control Code

C ID 2-2

N1 Loop Repeat: 200

N101 Entity Identifier Code

M ID 2-3

N102 Name

C AN 1-60

N103 Identification Code Qualifier

C ID 1-2

N104 Identification Code

C AN 2-80

N201 Name

M AN 1-60

N202 Name

O AN 1-60

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

O ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

O ID 2-3

N405 Location Qualifier

C ID 1-2

N406 Location Identifier

O AN 1-30

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

REF03 Description

C AN 1-80

PER01 Contact Function Code

M ID 2-2

PER02 Name

O AN 1-60

PER03 Communication Number Qualifier

C ID 2-2

PER04 Communication Number

C AN 1-80

PER05 Communication Number Qualifier

C ID 2-2

PER06 Communication Number

C AN 1-80

PER07 Communication Number Qualifier

C ID 2-2

PER08 Communication Number

C AN 1-80

PO1 Loop Repeat: 100,000

PO101 Assigned Identification

O AN 1-20

PO102 Quantity Ordered

C R 1-15

PO103 Unit or Basis for Measurement Code

O ID 2-2

CUR01 Entity Identifier Code

M ID 2-3

CUR02 Currency Code

M ID 3-3

CTP01 Class of Trade Code

O ID 2-2

CTP02 Price Identifier Code

C ID 3-3

CTP03 Unit Price

C R 1-17

CTP04 Quantity

C R 1-15

CTP06 Price Multiplier Qualifier

O ID 3-3

CTP07 Multiplier

C R 1-10

MEA01 Measurement Reference ID Code

O ID 2-2

MEA02 Measurement Qualifier

O ID 1-3

MEA03 Measurement Value

C R 1-20

PID Loop Repeat: 1,000

PID01 Item Description Type

M ID 1-1

PID02 Product/Process Characteristic Code

O ID 2-3

PID05 Description

C AN 1-80

PID09 Language Code

O ID 2-3

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

REF03 Description

C AN 1-80

SAC Loop Repeat: 25

SAC01 Allowance or Charge Indicator

M ID 1-1

SAC02 Service, Promotion, Allowance, or Charge Code

C ID 4-4

SAC05 Amount

O N2 1-15

SAC06 Allowance/Charge Percent Qualifier

C ID 1-1

SAC07 Percent

C R 1-6

SAC12 Allowance or Charge Method of Handling Code

O ID 2-2

SAC13 Reference Identification

C AN 1-30

SAC14 Option Number

O AN 1-20

SAC15 Description

C AN 1-80

SAC16 Language Code

O ID 2-3

CUR01 Entity Identifier Code

M ID 2-3

CUR02 Currency Code

M ID 3-3

ACK Loop Repeat: 104

ACK01 Line Item Status Code

M ID 2-2

ACK02 Quantity

C R 1-15

ACK03 Unit or Basis for Measurement Code

C ID 2-2

ACK04 Date/Time Qualifier

O ID 3-3

ACK05 Date

C DT 8-8

ACK07 Product/Service ID Qualifier

C ID 2-2

ACK08 Product/Service ID

C AN 1-48

ACK09 Product/Service ID Qualifier

C ID 2-2

ACK10 Product/Service ID

C AN 1-48

ACK11 Product/Service ID Qualifier

C ID 2-2

ACK12 Product/Service ID

C AN 1-48

ACK13 Product/Service ID Qualifier

C ID 2-2

ACK14 Product/Service ID

C AN 1-48

ACK15 Product/Service ID Qualifier

C ID 2-2

ACK16 Product/Service ID

C AN 1-48

ACK17 Product/Service ID Qualifier

C ID 2-2

ACK18 Product/Service ID

C AN 1-48

ACK19 Product/Service ID Qualifier

C ID 2-2

ACK20 Product/Service ID

C AN 1-48

ACK21 Product/Service ID Qualifier

C ID 2-2

ACK22 Product/Service ID

C AN 1-48

ACK23 Product/Service ID Qualifier

C ID 2-2

ACK24 Product/Service ID

C AN 1-48

DTM01 Date/Time Qualifier

M ID 3-3

DTM02 Date

C DT 8-8

DTM03 Time

C TM 4-8

DTM04 Time Code

O ID 2-2

TXI01 Tax Type Code

M ID 2-2

TXI02 Monetary Amount

C R 1-18

TXI03 Percent

C R 1-10

TXI04 Tax Jurisdiction Code Qualifier

C ID 2-2

TXI05 Tax Jurisdiction Code

C AN 1-10

TXI06 Tax Exempt Code

C ID 1-1

TXI08 Dollar Basis For Percent

O R 1-9

SCH Loop Repeat: 200

SCH01 Quantity

M R 1-15

SCH02 Unit or Basis for Measurement Code

M ID 2-2

SCH05 Date/Time Qualifier

M ID 3-3

SCH06 Date

M DT 8-8

SCH07 Time

O TM 4-8

SCH11 Request Reference Number

O AN 1-45

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

REF03 Description

C AN 1-80

N9 Loop Repeat: 1,000

N901 Reference Identification Qualifier

M ID 2-3

N902 Reference Identification

C AN 1-30

N903 Free-form Description

C AN 1-45

MSG01 Free-Form Message Text

M AN 1-264

MSG02 Printer Carriage Control Code

C ID 2-2

N1 Loop Repeat: 200

N101 Entity Identifier Code

M ID 2-3

N102 Name

C AN 1-60

N103 Identification Code Qualifier

C ID 1-2

N104 Identification Code

C AN 2-80

N201 Name

M AN 1-60

N202 Name

O AN 1-60

N301 Address Information

M AN 1-55

N302 Address Information

O AN 1-55

N401 City Name

O AN 2-30

N402 State or Province Code

O ID 2-2

N403 Postal Code

O ID 3-15

N404 Country Code

O ID 2-3

N405 Location Qualifier

C ID 1-2

N406 Location Identifier

O AN 1-30

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-30

REF03 Description

C AN 1-80

PER01 Contact Function Code

M ID 2-2

PER02 Name

O AN 1-60

PER03 Communication Number Qualifier

C ID 2-2

PER04 Communication Number

C AN 1-80

PER05 Communication Number Qualifier

C ID 2-2

PER06 Communication Number

C AN 1-80

PER07 Communication Number Qualifier

C ID 2-2

PER08 Communication Number

C AN 1-80

CTT Loop Repeat: 1

CTT01 Number of Line Items

M N0 1-6

CTT02 Hash Total

O R 1-10

AMT01 Amount Qualifier Code

M ID 1-3

AMT02 Monetary Amount

M R 1-18

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

SAP Ariba EDI 855 FAQ

Common questions about 855 Purchase Order Acknowledgment transactions with SAP Ariba.

How long does it take to set up SAP Ariba EDI with Stacksync?

Most suppliers are fully connected and processing live SAP Ariba 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.

Do I need an existing VAN or AS2 connection to trade with SAP Ariba?

No. Stacksync handles the entire EDI transport layer. We connect directly to SAP Ariba's trading partner network through our certified connections. You don't need to manage a separate VAN subscription, AS2 certificates, or SFTP configurations.

How does Stacksync help with SAP Ariba compliance?

Stacksync improves compliance scores by eliminating manual processing delays. Purchase Orders sync to your system in real time, ASNs are generated automatically when you ship, and invoices are validated with three-way matching before submission. Real-time monitoring alerts you to issues before they become chargebacks.

What EDI document types does Stacksync support for SAP Ariba?

Stacksync supports all EDI document types required by SAP Ariba — including Purchase Orders (850), Invoices (810), ASNs (856), PO Acknowledgments (855), and more. Our platform handles the full lifecycle from order to payment automatically.

Can I connect SAP Ariba EDI to my existing ERP or WMS?

Yes. Stacksync integrates with any system that has a database or API — including SAP, Oracle, NetSuite, Microsoft Dynamics, and custom-built ERPs. Data flows bidirectionally between SAP Ariba's EDI network and your system in real time.

What happens when SAP Ariba updates their EDI specifications?

Stacksync monitors SAP Ariba's EDI spec changes and updates our mappings proactively. When a change affects your integration, we notify you and apply updates — so you stay compliant without scrambling to decode new implementation guides.