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Discover® Global Network, the global payments brand of Discover Financial Services (DFS), processes millions of cardholder transactions each day. With industry expertise and innovative technology, Discover Global Network provides effective solutions that evolve as needs change. Discover Global Network has alliances with payments networks around the world, and is led by three Discover businesses: Discover Network, PULSE®, and Diners Club International®.

For more information visit DiscoverNetwork.com

This document is applicable to Diners Club International

Message Types Identifier (MTI)

  • First Position—Version Number

1—ISO 8583: 93

When the first position is 1 the second through fourth positions are defined as follows:

  • Second Position—Message Class

1—Authorization

2—Financial

3—File Action

4—Reversal/Chargeback

6—Administrative

8—Network Management

  • Third Position—Message Function

0—Request

1—Request Response

2—Advice

3—Advice Response

4—Notification

  • Fourth Position—Transaction Originator

0—Acquirer

4—Other

MTI Description Purpose
1100 Authorization Request Used to submit an Authorization Request from an Acquirer to an Issuer
1110 Authorization Request Response Used to submit an Authorization Response from the Issuer to the Acquirer
1120 Authorization Advice Advises the Issuer of an Authorization Request processed on behalf of the Issuer
1120 Acquirer Authorization Advice Advises the Issuer of an Authorization Request processed through a third party within the acquiring Franchise
1130 Authorization Advice Response Acknowledges an authorization advice
1200 Authorization Request (QR code)  
1210 Authorization Request Response (QR code)  
1304 File Action Request Requests a file to be updated or inquiry
1314 File Action Request Response Acknowledges or responds to a file action request
1324 File Action Advice Advises of what was added, deleted or replaced in a file or record
1334 File Action Advice Response Acknowledges or responds to a file action advice
1344 File Action Advice Response Continuation of previous file action advice response
1420 Reversal Advice Reverses an earlier authorization or financial transaction
1430 Reversal Advice Response Acknowledges to a reversal advice
1624 Administrative Advice Advises of information to support the interchange network
1634 Administrative Advice Response Acknowledges or responds to an administrative advice
1804 Network Management Request Requests a network management activity
1814 Network Management Request Response Acknowledges or responds to a network management request

reference

DCI Release 24.1 Program Documents

  1. AccessNetImplementation Guide - Issuer - Reissued R23.1.pdf
  2. Central Submission Charge Format - Reissued R20.1.pdf
  3. Central Submission Statement File - Reissued R18.1.pdf
  4. Central Submission System User Guide - Participants - Reissued R20.1.pdf
  5. Club Cash Online Bulk Upload Template - Reissued R19.1.xls
  6. Club Cash System Interface Guide - Reissued R20.1.pdf
  7. Connectivity Technical Specification - Reissued R23.1.pdf
  8. Daily Disputes Outbound File XML - Reissued R23.1.pdf
  9. Data File Services Issuer Guide R24.1.pdf
  10. DCAP Bridge User Guide R24.1.pdf
  11. DCAP Security Administration Participant - Reissued R20.1.pdf
  12. DCI Card Technical Specification R24.1.pdf
  13. DCI Chargeback Guide - Reissued R23.2.pdf
  14. DCI Club Cash ATM Access Program Guide - Reissued R23.1.pdf
  15. DCI Club Cash Online Location Manager User Upload Guide - Reissued R23.1.pdf
  16. DCI Release Planning Guide R24.1.pdf
  17. Dispute Confirmation File XML - Reissued R20.1.pdf
  18. Dispute Rules Manual - Reissued R23.2.pdf
  19. Disputes and Fees File for Acquirer and Issuers - Reissued R23.1.pdf
  20. Disputes Inbound Data File XML Technical Specifications - Reissued R23.1.pdf
  21. Electronic Interchange Manual - Acquirer R24.1.pdf
  22. Electronic Interchange Manual - Issuer R24.1.pdf
  23. GEDS Corporate Client Technical Specification - Reissued R23.1.pdf
  24. GEDS Participant Technical Specification - Reissued R23.1.pdf
  25. GlobalNet Internet User Manual - Reissued R23.1.pdf
  26. Implementation Guide for New Participants - Reissued R23.1.pdf
  27. Interchange Acquirer Confirmation File R24.1.pdf
  28. Interchange Issuer Detail File R24.1.pdf
  29. Interchange User Guide - Reissued R22.2.pdf
  30. International Operations Manual R24.1.pdf
  31. IPSE Standard Data Format - Reissued R23.2.pdf
  32. Key Management Guide - Reissued R22.1.pdf
  33. Mobile Applications Security - Reissued R23.2.pdf
  34. Secure Post Office User Guide - Reissued R19.2.pdf
  35. Service Establishment Data Submission - Reissued R22.2.pdf
  36. Standard Data File - S3DF - XML Tech Specs - Reissued R20.1.pdf
  37. Sys Ops XML Interface - Reissued R22.2.pdf
  38. T&E Analyzer Implementation Guide - Reissued R20.1.pdf
  39. Trademark Use and Marketing Guideline…ers and Merchants - Reissued R22.1.pdf
  40. Trademark Use and Marketing Guideline…ogram Partners - Reissued R22.1 V2.0.pdf
  41. Xchange User Guide - Reissued R21.2.pdf
  42. Xpress Guide to System Use R24.1.pdf
  43. Xpress Transaction Manual R24.1.pdf