ISO 20022 Messaging

Welcome! In this section of the DTCC Learning Center you will find resources related to DTC's use of ISO 20022 real-time MQ messaging and files for automated electronic communication with clients. Use Quick Links, the ISO 20022 Resources tab (utilize filters to help narrow returned results), and Search to learn more.

CorporateActionsProcessingISO 20022 is an international messaging standard that simplifies global business communication by creating a common language for financial information. DTC uses ISO 20022 real-time MQ messaging and files for automated electronic communication with clients. The ISO 20022 standard provides a modernized business model and platform that replaces legacy proprietary formats and files.

Corporate Actions Messaging Specifications for ISO 20022 are intended as an implementation overview for both technical and business experts. DTCC uses the ISO 20022 Corporate Actions Message format for its Corporate Actions Announcements, Entitlements and Allocations, Instructions and Meetings data. 

The following resources may be accessed via the ISO 20022 Messaging Specifications page on DTCC's corporate website: 

Standard Release (SR) message types in .zip archives:

  • Business Application Header
  • Announcements 
  • Entitlements and Allocations
  • Elective Dividend Instructions
  • Voluntary Reorganization Instructions
  • Meeting Proxy

DTCC provides messaging specifications for the standard ISO 20022 message and when applicable, its proprietary Extension component. 

The specification zip files contain the following folders, when applicable:

  • Message Usage Guidelines in Excel format
  • Message Usage Guidelines in .pdf format
  • DTCC extension schemas
  • ISO 20022 unrestricted schemas

Also available are the following ISO 20022 Messaging User Guides:

  • Getting Started - Announcements & Data Model
  • Lifecycle: 
    • Distributions (Entitlements and Allocations)
    • Redemptions (Entitlements and Allocations)
    • Reorganizations (Entitlements and Allocations)
  • Instructions:
    • Distributions
    • Reorganizations

Other, publically available related resources can be found at the following locations:

 The information and links above are provided for your convenience. For additional ISO 20022 Messaging resources, see the ISO 20022 Messaging Resources tab.

CDTS ISO 20022 Messages for Instruction Processing

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ISO 20022 Messaging for Distributions Entitlements and Allocations

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ISO 20022 Messaging for Distributions Instructions

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ISO 20022 Messaging for Redemptions Entitlements and Allocations

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ISO 20022 Messaging for Reorganizations Entitlements and Allocations

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ISO 20022 Messaging for Reorganizations Instructions

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ISO 20022 Messaging Subscription Options for Corporate Actions

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ISO 20022 Sender and Receiver BIC Information for SWIFT and SMART Messages Quick Tip

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Message Inventory and MX/ISO 20022 Equivalencies Quick Tips

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On-boarding to ISO 20022 for Corporate Actions via FTP

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On-boarding to ISO 20022 for Corporate Actions via MQ

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On-boarding to ISO 20022 for Corporate Actions via NDM

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