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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
ACATS Shortened Cycle Testing Implementation Guidelines
ACATS Test Case Diagrams
View the ACATS Shortened Cycle instructional documents.
ACATS User Guide (Includes Modernization Initiative Enhancements)
ACATS DTCC Web Portal User Guide (Includes Modernization Initiative Enhancements)
ACATS Online Help
ACATS Modernization - Enhancement Specifications
ACATS Industry Best Practices – ACATS Shortened Cycle
View the ACATS concept papers that outlined the project proposals.
ACATS Modernization: Output File Names
ACATS Shortened Cycle Modernization - Proposed Updates

ACATS Modernization - Shortened ACATS Webinar
ACATS Shortened Settlement Cycle – Changes to the Processing of Mutual Fund Transfers
ACATS Shortened Settlement Cycle – Concept Paper
ACATS: Receiver Delete for Alternatives Testing Implementation Guidelines
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

Concept Paper: ACATS Enhancements for 529 Assets

ACATS Client Interface Modernization / 529 Plan Enhancement Initiative

ACATS 529 Plan Account Transfers Scenarios

Access to the PSE API Marketplace

DTCC Standards for MQ Series Transmission Guide

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)

ACATS Asset Input JSON Format (Legacy AT)

ACATS Mutual Fund Registration Input JSON Format (Legacy FR)

View the JSON output formats that are supported only through MQ.
ACATS Multicycle/End-of-Day MQ Output Format

ACATS Position MQ Output Format

ACATS Settlement MQ Output Format

ACATS Insurance Statistics MQ Output Format

ACATS Interface Rejects MQ Output Format

ACATS Fund/SERV Statistics MQ Output Format

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

ACATS Sample JSONs
