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Asset Services

August 15, 2025

Welcome! The Asset Services section of the DTCC Learning Center is where you will find the resources you need to maximize your use of DTCC’s Asset Services offerings. Use Infographics like the one below, Quick Links, Recommended Resources, the Resources tab, and Search to make your learning journey a rewarding one. Remember to login to see all available content.

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The Asset Services Learning Center is dedicated to helping you get the most from DTCC's Underwriting Services, Securities Processing solutions (such as the Securities Processing Application) and other Asset Services such as Corporate Actions Processing, Global Tax Services and Issuer Services. You'll also find Agent Services resources to assist FAST Agents in the Asset Services Learning Center.

Be sure to:

Interact with the infographic below to learn more about these products and services.
Scroll down for access to all Asset Services Products & Services and links to their Featured Content.

Hover over products and services in the image below to learn more.

The Resources tabs in the Asset Services section of this Learning Center provide access to all learning resources (documents, videos, etc.) available for a service and its sub-products. For a view pre-filtered to show learning resources specific to a product, view the Resources tab for that product.

Underwriting Services

Underwriting is the entry point for depository and book-entry transfer services at The Depository Trust Company (DTC). UW Source is the system that gives you access to Underwriting functions. The Underwriting Central (UWC) application integrates data validation, electronic vaulting, and e-signatures to create a better experience for brokers and issuers. It improves upon UW Source with a more streamlined user interface, fewer operational touch-points, improved data quality, and added transparency into the DTC eligibility life cycle.

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Securities Processing

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.

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Corporate Actions Processing

The Corporate Actions Processing section contains learning resources about the Depository Trust Company's (DTC) wide array of services for processing corporate action events for approximately 1.3 million active DTC-eligible securities. These services include announcing details of upcoming events and providing participants with information about their entitlements, accepting and acting on their instructions, and collecting, allocating, and reporting payments across various corporate action event types, including distributions, redemptions, and reorganizations. Click the View Section link below to learn more about these event types as well as ClaimConnect^™, CA Web and ISO 20022 Messaging.

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Issuer Services

DTC's Issuer Services provide an array of central communication and information resources for depository-eligible securities that facilitate outreach by issuers to shareholders. Through its efficient, cost-effective and risk-mitigating offerings, Issuer Services help achieve timely and accurate communication among interested parties with respect to securities held and serviced at DTC.

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Global Tax Services

Global Tax Services offers a variety of services for both domestic and international clients including services to provide tax relief on non-U.S. securities, withholding tax services on U.S.-sourced income paid to non-U.S. institutions and a tax reporting data service. Tax Service offerings include DTC TaxRelief, U.S. Tax Withholding Service, Domestic Tax Reporting Service (DTax), DTCC’s 305(c) Tax Event Announcements, and DTCC’s 871(m) Tax Event Announcements. Be sure you are logged in to your Learning Center user account to view all of the available information in the Global Tax Services section.

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Agent Services

The Agent Services section of this Learning Center facilitates communication with the agent community by providing information and reference documentation that is necessary to interact with The Depository Trust Company (DTC). It offers resources for FAST Agents, assumes you have familiarized yourself with the relevant information available on DTCC.com and are either ready to apply for FAST Agent membership or are already a FAST Agent and are seeking resources to assist you in that function. In the latter case, be sure to check out the Featured Content links to the right. Be sure you are logged in to your Learning Center user account to view all of the available information in the Agent Services section.

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CCF Document Repository

The following library constitutes the CCF (Computer to Computer File Transmission) record formats for DTC Asset Services and DTC Masterfile products.

PTS Document Repository

The following library constitutes the PTS (Participant Terminal Systems) library. Click a link in the left column to download a PTS Function guide relevant to Asset Services.

Filter resources:

Asset Services: BMA1/5 (8.25): DTC Agent Files

This function allows Dividend and Redemption Paying Agents to send revised rates, late call and revised call information to DTC.

Modified February 24, 2026