NSCC Network Connectivity Web Modernization

The National Securities Clearing Corporation (NSCC) is in the process of modernizing the Web applications as some of the technology used to support them is nearing end of life. The initiative is being rolled out in stages, with each application having its own timeline, along with associated important notice and connectivity guide. Depending on the applications used that your firm uses, the impact varies. For further information, view the comprehensive technical network connectivity guide associated with your application.

Note: Existing features and capabilities for each application are not impacted by this initiative. 

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Network Connectivity for Obligation Warehouse Web Modernization

October 25, 2024

Network Connectivity for ACATS Modernization

July 03, 2025

Network Connectivity for CMU RTTM Web Modernization

March 05, 2025

Network Connectivity Guide for Consolidated Trade Summary (CTS) and Universal Trade Capture (UTC) Web Modernization

Modified August 04, 2025

 

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Manage My Services for ITP Product Administrators

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ALERT: Maintaining SSIs for Buy-Side Clients

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ALERT: Maintaining SSIs for Sell-Side Clients

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CTM UI: Manage Your Trade Exceptions

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CTM UI: CTM Matching Concepts

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CTM UI: Manually Enter Your Trades

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CTM UI: Manage Your Trade Exceptions

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CTM UI: CTM Matching Concepts

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CTM UI: Manually Enter Your Trades

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ALERT: Maintaining SSIs for Sell-Side Clients

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ETF Client Business Requirements for Options Clearing Connect

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GTR EU EMIR Service Help

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GTR Services: Billing Online Help

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GTR and TIW MQ Connectivity Client Pack

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GTR MAS Service Help

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GTR UK EMIR Service Help

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GTR ASIC Service Help

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Mutual Fund Services: Mutual Fund Security Issue ID Center Data Dictionary

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Network Connectivity Guide for Consolidated Trade Summary (CTS) and Universal Trade Capture (UTC) Web Modernization

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Settlement Web Help

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Securities Processing Application API: DWAC for Agents

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ACATS Multicycle/End-of-Day MQ Output Format

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GTR CFTC/Canada/SEC: Working Group Library 2025

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ACATS Interface Rejects MQ Output Format

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