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Securities Processing

Welcome! In this section of the DTCC Learning Center you will find the resources you need to maximize your use of DTCC’s Securities Processing services. Use Quick Links, the Securities Processing Resources tab (utilize filters to help narrow returned results), and Search to learn more.

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Welcome to the Securities Processing section of this Learning Center. Through its suite of Securities Processing services The Depository Trust Company (DTC) provides its participant firms a range of safekeeping and processing services for various types of securities. Securities Processing services deliver efficient and cost-effective solutions for deposits, withdrawals, electronic direct registration and custody. 

Securities Processing Application

The Depository Trust Company’s (DTC’s) Securities Processing Application or “SPA” is a unified platform from which Participants and Transfer Agents can manage securities inventory held on their behalf at the depository. Upon completion of its phased development, it will include functionality for managing electronic deposits and withdrawals, direct registration transactions, and centralized billing activities all in one system application.

Visit the Securities Processing Application home page and begin learning. 

SPA for Participants

DTC Particpants can access the following functionality: 

  • Deposit Withdrawal at Custodian (DWAC) - Deposits and withdrawals instructions
  • Direct Registration Service (DRS)- Profile Requests Deposits, Withdrawal by Transfer (Targeted Deposit and Withdrawals PSE and Prod releases througout 2025)
  • Maker-Checker - Secondary "Four Eyes" approval for DWAC and DRS intructions. (Targeted DRS Billing PSE and Prod releases througout 2025)
  • Physical Inventory Inquiry.

Transfer Agents

FAST Agents can access the following functionality. 

  • FAST Balance Confirmation - FAST Agents confirm daily eod balances with DTC.
  • Deposit Withdrawal at Custodian (DWAC) - Agents approve or reject deposits and withdrawl instructions
  • Centralized Billing - Agents set up fees in one place which are then applied to DWAC and DRS transactions and charged to participants. (Targeted PSE and Prod releases througout 2025)
  • Maker-Checker - Secondary "Four Eyes" approval for DWAC and DRS instructions and Centralized Billing Fees. (Targeted DRS Billing PSE and Prod releases througout 2025)

Custody Service Overview

The Custody Service is a unified service that allows you to perform physical deposits, withdrawals and more. See the Custody Service Overview section below to access links to available Custody Service learning solutions. You may also wish to view the Custody Conversion Checklist to track your readiness for using the Custody Service. This spreadsheet outlines the sequence of events that must take place, as well as the party or parties responsible for each step.

Custody Service

Welcome! In this section of the DTCC Learning Center you will find the resources you need to maximize your use of DTC’s Custody Services. Use Quick Links, the Custody Service Resources tab (utilize filters to help narrow returned results), and Search to learn more.

Securities Processing Application

Welcome! In this section of the DTCC Learning Center you will find the resources you need to maximize your use of the Securities Processing Application (SPA).

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SPA DRS Profile Deposit, Deliver Order and DRS Withdrawals Go Live and Cutover Plan

Read the details for go live dates and cutover details on DRS Profile Deposits, Deliver Order, DRS Withdrawal by Transfer, and Centralized Billing functionality to the Securities Processing Application (SPA).  Clients will access these capabilities through the SPA Portal on MyDTCC.com, APIs, or distributed MQ messaging.
New November 02, 2026
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AnnounceDirect: Access Provisioning Guide

This document serves as a quick guide for Access Coordinators and Super Access Coordinators to provision access and entitlements to the AnnounceDirect product in the testing and prod environments. DTC’S ANNOUNCEDIRECT PROPOSAL DESCRIBED HEREIN WILL BE THE SUBJECT OF A PUBLIC RULE FILING WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION (“SEC”). THE PROPOSAL MAY NOT TAKE EFFECT UNTIL IT IS FILED WITH AND APPROVED BY THE SEC.
Modified October 26, 2026
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AnnounceDirect: Day 1 Redemption Event Matrix

For Redemption Agents: Compare current and Day 1 event submission and exception resolution processes change with AnnounceDirect across all redemption event types. Details are subject to change as AnnounceDirect continues to be developed and incorporate additional corporate action events.  DTC’S ANNOUNCEDIRECT PROPOSAL DESCRIBED HEREIN WILL BE THE SUBJECT OF A PUBLIC RULE FILING WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION (“SEC”). THE PROPOSAL MAY NOT TAKE EFFECT UNTIL IT IS FILED WITH AND APPROVED BY THE SEC. 
New October 19, 2026
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AnnounceDirect: Redemption Event Lifecycle

For Redemption Agents: Explore how the redemption event lifecycle evolves with AnnounceDirect, from event submission through event allocation. Details are subject to change as AnnounceDirect continues to expand to incorporate additional corporate action event types. DTC’S ANNOUNCEDIRECT PROPOSAL DESCRIBED HEREIN WILL BE THE SUBJECT OF A PUBLIC RULE FILING WITH THE U.S. SECURITIES AND EXCHANGE COMMISSION (“SEC”). THE PROPOSAL MAY NOT TAKE EFFECT UNTIL IT IS FILED WITH AND APPROVED BY THE SEC.
New October 19, 2026
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Securities Processing DRS Withdrawals Participant APIs Sample JSONs

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SPA DRS Withdrawals Agent APIs Sample JSONs

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Securities Processing DRS Profile Deposit and Deliver Order Agent APIs Sample JSONs

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Securities Processing DRS Profile Deposit Participant APIs Sample JSONs

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Securities Processing DWAC Participant API: Sample JSONs

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DRS Withdrawal by Transfer - Participant Instruction via MQ (PSPADWTP01)

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DRS Withdrawal By Transfer - Agent Approve or Reject Instruction via MQ (PSPADWTA01)

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Securities Processing DWAC Agent API: Sample JSONs

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DRS Profile Deposit Participant Instruction via MQ (PSPADRSP01)

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DRS Withdrawal by Transfer -Participant Status Update via MQ (PSPADWTP02)

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DRS Withdrawal by Transfer - Agent Pending Instruction Notification via MQ (PSPADWTA02)

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Message Inventory and MX/ISO 20022 Equivalencies Quick Tip

This document provides an inventory of ISO 20022 messages, including equivalencies between MX identifiers, ISO 20022 message information, and equivalent DTCC processes.
September 17, 2026
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Corporate Action Elections Data Dictionary SR 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. (Updated October 15, 2025)
September 17, 2026
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Corporate Action Announcements Data Dictionary SR 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)
September 17, 2026
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Corporate Action Entitlements and Allocations Data Dictionary SR 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)
September 17, 2026
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SR 2025 Announcements Message Specifications

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.
September 17, 2026
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SR 2025 Entitlements and Allocations Message Specifications

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.
September 17, 2026
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SR 2025 Elective Dividend Instructions Message Specifications

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.
September 17, 2026
Download

SR 2025 Voluntary Reorganization Instructions Message Specifications

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.
September 17, 2026
Download

SR 2026 Announcements Message Specifications

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.
September 17, 2026
Download

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