Log in to view information about recently implemented enhancements along with plans for current and future ACATS projects.

The Automated Customer Account Transfer Service (ACATS) application includes a series of enhancements to help the industry move towards a shortened ACATS transfer cycle. ACATS Modernization is a multi-phase initiative to improve, modernize, and transform the ACATS application.

Implemented: February 24, 2020

The goal of the ACATS Shortened Cycle release was implemented to shorten the transfer process while simultaneously reducing risk, improving operational efficiency, and enhancing the overall customer experience. View the test cases, implementation guidelines, user guides, best practices, and presentations for the modernization initiative release.

Expand to view the ACATS Shortened Cycle testing documents.

ACATS Test Cases

View the ACATS modernization test cases that provides test case steps and details for new cycles, input deadlines, bank holidays, acceleration, days in status, late cycles, and cutoffs. See also:  ACATS Shortened Cycle Implementation Guidelines and ACATS Test Case Diagrams.
January 24, 2020

ACATS Shortened Cycle Testing Implementation Guidelines

View the implementation checklist, PSE U and PSE A region details, and testing guidelines designed to help ACATS users prepare for the ACATS Modernization/Shortened Cycle industry release. It focuses on suggested activities that ensure firms are ready to test, as well as additional guidelines for actual testing of the enhancements within the release. See also:  ACATS Test Cases, ACATS Test Case Diagrams, and Important Notice #A8672 - January 28, 2019.
September 05, 2019

ACATS Test Case Diagrams

View the ACATS modernization test case diagrams that provide a visual of the testing flow process. See also:  ACATS Shortened Cycle Implementation Guidelines and ACATS Test Cases.
August 29, 2019

View the ACATS Shortened Cycle instructional documents.

ACATS User Guide (Includes Modernization Initiative Enhancements)

Learn how to access and use the Automated Customer Account Transfer Service (ACATS) system to transfer customer account assets between firms. This guide includes the  modernization initiative enhancements, which are being implemented to help the industry move towards a shortened ACATS transfer cycle. The goal of the ACATS modernization initiative is to begin a multiphase path to shorten the transfer process while simultaneously reducing risk, improving operational efficiency, and enhancing the overall customer experience.
December 08, 2022

ACATS DTCC Web Portal User Guide (Includes Modernization Initiative Enhancements)

Learn how to access and use the ACATS DTCC Web Portal to transfer customer account assets between firms. This guide includes the  modernization initiative enhancements, which are being implemented to help the industry move towards a shortened ACATS transfer cycle. The goal of the ACATS modernization initiative is to begin a multiphase path to shorten the transfer process while simultaneously reducing risk, improving operational efficiency, and enhancing the overall customer experience.
October 19, 2022

ACATS Online Help

Learn how to use the ACATS DTCC Web Portal to transfer customer account assets between firms. This help includes updates for the modernization initiative.
April 15, 2020

ACATS Modernization - Enhancement Specifications

View the ACATS Enhancement Specifications for the Shortened Cycle Modernization release, which is based on the  ACATS Modernization/Shortened Cycle Initiative – Scope and Schedule Change Update (January 28, 2019 - #A8672).
April 15, 2019

ACATS Industry Best Practices – ACATS Shortened Cycle

View these best practices that outline suggested usage in conjunction with the ACATS Shortened Cycle initiative. See the important notices: ACATS Registration Indicator Enhancement (February 27, 2017 - #A8340) and ACATS Modernization - Shortened Cycle Enhancements (April 16, 2018 - #A8542).
August 28, 2018

View the ACATS concept papers that outlined the project proposals.

ACATS Modernization: Output File Names

DTCC Connectivity presented information about output files.
April 24, 2019

ACATS Shortened Cycle Modernization - Proposed Updates

January 14, 2019

ACATS Modernization - Shortened ACATS Webinar

View this slide presentation of a webinar hosted by DTCC on April 24, 2018 to review the ACATS Modernization initiative.
April 27, 2018

ACATS Shortened Settlement Cycle – Changes to the Processing of Mutual Fund Transfers

This concept pape outlines the removal of FundSERV Pend from the mutual fund transfer process.for the ACATS Shortened Cycle release that was implemented on February 24, 2020. See also ACATS Shortened Cycle Implementation Guidelines.
April 04, 2016

ACATS Shortened Settlement Cycle – Concept Paper

This concept paper provides the proposed changes for the ACATS cycles and cutoffs for the ACATS Shortened Cycle release that was implemented on February 24, 2020.  See also:  ACATS Shortened Cycle Implementation Guidelines and ACATS Test Cases.
March 01, 2016

ACATS: Receiver Delete for Alternatives Testing Implementation Guidelines

View to help prepare for the receiver delete for alternative assets enhancement.
June 27, 2022

Learn about the new ACATS client interface enhancements that will modernize the client interfaces that firms use to communicate with the ACATS systems. These enhancements also include features to process 529 accounts transfers through the ACATS Fund/SERV® service. DTCC has updated its API Marketplace with the ACATS APIs, schemas, and API Starter Kit for the new JSON standard message formats. For full access to the DTCC API Marketplace, contact your firm’s Super Access Coordinator (SAC) to enable you as an Operator.

For SACs: If you are unable to provision entitlements to the API Marketplace, contact NSCC Integration at This email address is being protected from spambots. You need JavaScript enabled to view it.

ACATS Client Interface Modernization: Technology Overview

August 22, 2023

Concept Paper: ACATS Enhancements for 529 Assets

December 07, 2020

ACATS Client Interface Modernization / 529 Plan Enhancement Initiative

September 09, 2022

ACATS 529 Plan Account Transfers Scenarios

February 01, 2023

Access to the PSE API Marketplace

March 08, 2023

DTCC Standards for MQ Series Transmission Guide

June 12, 2023

Click each tab to access the ACATS input and output JavaScript Object Notation (JSON) formats and sample JSONs.

View the JSON input formats that are supported with the API Marketplace or Message Queue (MQ) specifications.

ACATS Transfer Input JSON Format (Legacy TI)

Modified September 15, 2023

ACATS Asset Input JSON Format (Legacy AT)

Modified September 15, 2023

ACATS Mutual Fund Registration Input JSON Format (Legacy FR)

Modified September 15, 2023

View the JSON output formats that are supported only through MQ.

ACATS Multicycle/End-of-Day MQ Output Format

August 02, 2023

ACATS Position MQ Output Format

August 02, 2023

ACATS Settlement MQ Output Format

August 02, 2023

ACATS Insurance Statistics MQ Output Format

August 02, 2023

ACATS Interface Rejects MQ Output Format

August 02, 2023

ACATS Fund/SERV Statistics MQ Output Format

August 02, 2023

View the sample JSONs available in PDF or by downloading the zip containing the following samples:

  • Multicycle Transaction Sample JSON
  • End-of-Day Transaction Sample JSON
  • Position Sample JSON
  • Settlement Sample JSON
  • Insurance Statistics Sample JSON
  • Interface Rejects Sample JSON
  • Fund/SERV Statistics Sample JSON

ACATS Sample JSONs

August 10, 2023

ACATS Sample JSONs

August 10, 2023

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