Canadian National Railway EDI 824 Application Advice

Schema Reference

9 segments · X12 824 Application Advice

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 Repetition Separator M MIN 1 MAX 1 ID: I65 Type is not applicable; the repetition separator is a delimiter and not a data element; this field provides the delimiter used to separate repeated occurrences of a simple data element or a composite data structure; this value must be different than the data element separator, component element separator, and the segment terminator ISA12 Interchange Control Version Number Code

M ID 5-5

ISA13 Interchange Control Number

M N0 9-9

ISA14 Acknowledgment Requested Code

M ID 1-1

ISA15 Interchange Usage Indicator Code

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

BGN01 Transaction Set Purpose Code

M ID 2-2

BGN02 Reference Identification

M AN 1-80

BGN03 Date

M DT 8-8

BGN04 Time

C TM 4-8

OTI Loop

OTI01 Application Acknowledgment Code

M ID 1-2

OTI02 Reference Identification Qualifier

M ID 2-3

OTI03 Reference Identification

M AN 1-80

OTI06 Date

O DT 8-8

OTI07 Time

O TM 4-8

OTI08 Group Control Number

C N0 1-9

OTI09 Transaction Set Control Number

O AN 4-9

REF01 Reference Identification Qualifier

M ID 2-3

REF02 Reference Identification

C AN 1-80

TED Loop

TED01 Application Error Condition Code

M ID 1-3

TED02 Free-form Message

O AN 1-60

NTE02 Description

M AN 1-80

SE01 Number of Included Segments

M N0 1-10

SE02 Transaction Set Control Number

M AN 4-9

Automating Canadian National Railway EDI 824

Stacksync validates, transforms, and delivers your 824 transactions automatically — so your team can focus on operations, not EDI compliance.

Validate

Transform

Route

Monitor

Stacksync captures incoming 824 Application Advice documents and maps error codes and rejection reasons to the original transaction in your system — giving your team immediate visibility into what needs correction.

Canadian National Railway EDI 824 FAQ

Common questions about 824 Application Advice transactions with Canadian National Railway.

How long does it take to set up Canadian National Railway EDI with Stacksync?

Most suppliers are fully connected and processing live Canadian National Railway 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 Canadian National Railway?

No. Stacksync handles the entire EDI transport layer. We connect directly to Canadian National Railway'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 Canadian National Railway 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 Canadian National Railway?

Stacksync supports all EDI document types required by Canadian National Railway — 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 Canadian National Railway 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 Canadian National Railway's EDI network and your system in real time.

What happens when Canadian National Railway updates their EDI specifications?

Stacksync monitors Canadian National Railway'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.