PTS Document Repository

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This document provides an inventory of ISO 20022 messages, including equivalencies between MX identifiers, ISO 20022 message information, and equivalent DTCC processes.

These documents outline mapping for tags associated with ISO 20022 messages for Distributions Instructions to data elements associated with DTC's EDS legacy process, as well as Reorganization Instructions mapping. (Updated October 15, 2025)

These documents list the ISO 20022 event types, as well as the ISO 20022 published data fields and mapping back to DTC function codes. (Updated July 31, 2026)

These documents list the ISO 20022 event types, as well as the ISO 20022 published data fields and mapping back to DTC function codes. (Updated July 31, 2026)

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

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.These documents present the logical layout of the message XML schema. There are separate documents for each XML schema -- one for ISO ‘core’ standard message, and one for supplementary data (extension) that embeds in the standard message. The document shows the elements that will be used in the message; elements that will not be used are marked as “removed”. The document also contains DTCC market practice usage for each element e.g. DTCC definitions, annotations, rules, as well as DTCC synonyms that are the DTCC names of the elements used in browser and Data Dictionary. Message Usage Guidelines in .pdf format. Similar to the Excel document, the PDF version provides an alternative format showing the message structure, message building blocks, message components, message data types and restrictions summarization. DTCC extension schemas.Plain XML schema for DTCC extensions. ISO 20022 unrestricted schemas.

These documents list the ISO 20022 event types, as well as the ISO 20022 published data fields and mapping back to DTC function codes. (Updated July 21, 2025)

These documents list the ISO 20022 event types, as well as the ISO 20022 published data fields and mapping back to DTC function codes. (Updated May 30, 2025)

These documents outline mapping for tags associated with ISO 20022 messages for Distributions Instructions to data elements associated with DTC's EDS legacy process, as well as Reorganization Instructions mapping. (July 31, 2026)

Presents general ISO 20022 messaging information as well as information about specific messages, timing, scenarios by event type, message triggers, and event type correspondences.

Guide for using ISO 20022 entitlement and allocation messaging for corporate action distribution events. Complete description of message types, scenarios, and options. Includes: Message types Stock loan tracking, fail tracking, and REPO tracking Message subscriptions and message timing Holiday processing Message flows Reason codes CANO-E Messages CAPA messages CAPC messages CACO messages CARE messages CAPS messages