Service Updates

CNS Modernization Client Testing Plan to Begin July 13, 2026 Part II (CSV Reports Available on DTCC Learning)

Wed, 15 Apr 2026 00:00:00 -0500

CNS Modernization Client Testing Plan to Begin July 13, 2026 Part II (CSV Reports Available on DTCC Learning)

Notice: a9751

Summary:

CNS Modernization Client Testing Plan to Begin July 13, 2026 Part II (CSV Reports Available on DTCC Learning)

Submission of Rule Filing SR-NSCC-2026-006 – Amend the NSCC Rules to Describe NSCC’s Ability to Support Industry Efforts to Extend Trading Hours for the U.S. Equity Markets

Thu, 02 Apr 2026 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2026-006 – Amend the NSCC Rules to Describe NSCC’s Ability to Support Industry Efforts to Extend Trading Hours for the U.S. Equity Markets

Notice: a9744

Summary:

Submission of Rule Filing SR-NSCC-2026-006 – Amend the NSCC Rules to Describe NSCC’s Ability to Support Industry Efforts to Extend Trading Hours for the U.S. Equity Markets

Submission of Rule Filing SR-NSCC-2026-005 – Concerning New Agent Clearing Member Customer Net Margin Accounts for the SFT Clearing Service

Fri, 20 Mar 2026 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2026-005 – Concerning New Agent Clearing Member Customer Net Margin Accounts for the SFT Clearing Service

Notice: a9739

Summary:

Submission of Rule Filing SR-NSCC-2026-005 – Concerning New Agent Clearing Member Customer Net Margin Accounts for the SFT Clearing Service

Holiday Schedule: Good Friday 2026

Fri, 06 Mar 2026 00:00:00 -0600

Holiday Schedule: Good Friday 2026

Notice: a9732

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

New York State Stock Transfer Tax

Tue, 03 Mar 2026 00:00:00 -0600

New York State Stock Transfer Tax

Notice: a9729

Summary:

Dates for Q1 Stock Transfer Tax inclusion

Submission of Rule Filing SR-NSCC-2026-004 – Concerning New Transaction Reporting Capability for Members That Maintain Clearing Relationships With Another Member

Thu, 26 Feb 2026 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2026-004 – Concerning New Transaction Reporting Capability for Members That Maintain Clearing Relationships With Another Member

Notice: a9726

Summary:

Submission of Rule Filing SR-NSCC-2026-004 – Concerning New Transaction Reporting Capability for Members That Maintain Clearing Relationships With Another Member

Submission of Rule Filing SR-NSCC-2026-003 – Amend the Clearing Agency Stress Testing Framework

Wed, 25 Feb 2026 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2026-003 – Amend the Clearing Agency Stress Testing Framework

Notice: a9725

Summary:

Submission of Rule Filing SR-NSCC-2026-003 – Amend the Clearing Agency Stress Testing Framework

Submission of Rule Filing SR-NSCC-2026-002 – Make Corrections, Clarifications and Certain Other Changes to the NSCC Rules

Mon, 09 Feb 2026 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2026-002 – Make Corrections, Clarifications and Certain Other Changes to the NSCC Rules

Notice: a9710

Summary:

Submission of Rule Filing SR-NSCC-2026-002 – Make Corrections, Clarifications and Certain Other Changes to the NSCC Rules

Holiday Schedule: Presidents’ Day 2026

Tue, 27 Jan 2026 00:00:00 -0600

Holiday Schedule: Presidents’ Day 2026

Notice: a9715

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

Deadline to Apply MQ Encryption Standards –NSCC Secure Connections

Mon, 26 Jan 2026 00:00:00 -0600

Deadline to Apply MQ Encryption Standards –NSCC Secure Connections

Notice: A9712

Summary:

Members must implement the IBM MQ encryption requirements detailed in the Important Notice to ensure compliance

Submission of Rule Filing SR-NSCC-2026-001 – Concerning the Clearing of Exchange-Traded Funds with Options as Underlying Components

Fri, 16 Jan 2026 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2026-001 – Concerning the Clearing of Exchange-Traded Funds with Options as Underlying Components

Notice: a9711

Summary:

Submission of Rule Filing SR-NSCC-2026-001 – Concerning the Clearing of Exchange-Traded Funds with Options as Underlying Components

NSCC Information for the Confirmation of a Cybersecurity Program / Compliance to Rule File: SR-NSCC-2019-003

Thu, 15 Jan 2026 00:00:00 -0600

NSCC Information for the Confirmation of a Cybersecurity Program / Compliance to Rule File: SR-NSCC-2019-003

Notice: a9699

Summary:

NSCC Members are required to complete and sign DTCC's Cybersecurity Confirmation in compliance to Rule File SR-NSCC-2019-003. The designated Control Officer will receive the Confirmation on January 22, 2026, and have 180 days to complete it electronically via DocuSign.

Nominations to the Board of Directors of The Depository Trust & Clearing Corporation

Thu, 18 Dec 2025 00:00:00 -0600

Nominations to the Board of Directors of The Depository Trust & Clearing Corporation

Notice: a9700

Summary:

Documents provide information on nominating individuals to the DTCC Board of Directors.

Holiday Schedule: Martin Luther King Jr. Day 2026

Mon, 15 Dec 2025 00:00:00 -0600

Holiday Schedule: Martin Luther King Jr. Day 2026

Notice: a9698

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

Submission of Rule Filing SR-NSCC-2025-017 – Modify Addendum A (Fee Structure) of the NSCC Rules

Tue, 09 Dec 2025 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2025-017 – Modify Addendum A (Fee Structure) of the NSCC Rules

Notice: a9694

Summary:

Submission of Rule Filing SR-NSCC-2025-017 – Modify Addendum A (Fee Structure) of the NSCC Rules

NSCC Proposed Rule Change – Implementation of Updates to the Clearing Agency Securities Valuation Framework to Include Use of Substantive Inputs (SR-NSCC-2025-006)

Mon, 08 Dec 2025 00:00:00 -0600

NSCC Proposed Rule Change – Implementation of Updates to the Clearing Agency Securities Valuation Framework to Include Use of Substantive Inputs (SR-NSCC-2025-006)

Notice: a9693

Summary:

NSCC Proposed Rule Change – Implementation of Updates to the Clearing Agency Securities Valuation Framework to Include Use of Substantive Inputs (SR-NSCC-2025-006)

New York State Stock Transfer Tax

Tue, 02 Dec 2025 00:00:00 -0600

New York State Stock Transfer Tax

Notice: a9690

Summary:

Q4 Reporting applicable dates and deadlines for New York State Stock Transfer Tax

Submission of Rule Filing SR-NSCC-2025-016 – Annual Testing of the Recovery and Wind-down Plan

Tue, 25 Nov 2025 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2025-016 – Annual Testing of the Recovery and Wind-down Plan

Notice: a9685

Summary:

Submission of Rule Filing SR-NSCC-2025-016 – Annual Testing of the Recovery and Wind-down Plan

Submission of Rule Filing SR-NSCC-2025-015 – Amend the NSCC Rules to Align with Exchange Act Rule 17ad-26

Fri, 21 Nov 2025 00:00:00 -0600

Submission of Rule Filing SR-NSCC-2025-015 – Amend the NSCC Rules to Align with Exchange Act Rule 17ad-26

Notice: a9681

Summary:

Submission of Rule Filing SR-NSCC-2025-015 – Amend the NSCC Rules to Align with Exchange Act Rule 17ad-26

Holiday Schedule: New Year’s Day 2026

Fri, 21 Nov 2025 00:00:00 -0600

Holiday Schedule: New Year’s Day 2026

Notice: a9683

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

Holiday Schedule: Christmas Day 2025

Fri, 21 Nov 2025 00:00:00 -0600

Holiday Schedule: Christmas Day 2025

Notice: a9682

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

NSCC Business Continuity and Disaster Recovery – Q1 2026 Testing & Rotation Schedule - Revised

Wed, 19 Nov 2025 00:00:00 -0600

NSCC Business Continuity and Disaster Recovery – Q1 2026 Testing & Rotation Schedule - Revised

Notice: a9672

Summary:

System processing unavailability for NSCC in Q1 2026 due to testing and Rotation Schedule.

Year 2026 Obligation Warehouse RECAPS Schedule

Mon, 17 Nov 2025 00:00:00 -0600

Year 2026 Obligation Warehouse RECAPS Schedule

Notice: A9676

Summary:

The dates for NSCC’s monthly Reconfirmation and Re-pricing Service (RECAPS) have been scheduled for 2026.

Securities Subject to Directives Issued by the Department of the Treasury’s Office of
Foreign Assets Control (OFAC)

Thu, 30 Oct 2025 00:00:00 -0500

Securities Subject to Directives Issued by the Department of the Treasury’s Office of
Foreign Assets Control (OFAC)

Notice: 9668

Summary:

The securities listed are subject to Executive Order 14024. The general license allowing divestment of the listed securities expires at 12:01 A.M. Eastern Standard Time on November 21, 2025. As such, activity in the securities will no longer be permitted at DTC and NSCC (as of November 21, 2025). DTC’s inventory in the listed securities will be blocked and NSCC will suspend trade capture activities through UTC for the securities.

NSCC Proposed Rule Change – Implementation of Collection of Intraday Margin Rule Filing (SR-NSCC-2025-005)

Fri, 17 Oct 2025 00:00:00 -0500

NSCC Proposed Rule Change – Implementation of Collection of Intraday Margin Rule Filing (SR-NSCC-2025-005)

Notice: a9663

Summary:

NSCC Proposed Rule Change – Implementation of Collection of Intraday Margin Rule Filing (SR-NSCC-2025-005)

Holiday Schedule: Thanksgiving Day 2025

Wed, 15 Oct 2025 00:00:00 -0500

Holiday Schedule: Thanksgiving Day 2025

Notice: a9661

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

NSCC Equity Clearing Services - Anticipated Holiday Schedule: 2026

Wed, 15 Oct 2025 00:00:00 -0500

NSCC Equity Clearing Services - Anticipated Holiday Schedule: 2026

Notice: a9660

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

Holiday Schedule: Veterans Day 2025

Thu, 02 Oct 2025 00:00:00 -0500

Holiday Schedule: Veterans Day 2025

Notice: a9648

Summary:

Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

Submission of Rule Filing SR-NSCC-2025-014 – Amend NSCC Rule 22 (Suspension of Rules)

Tue, 16 Sep 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-014 – Amend NSCC Rule 22 (Suspension of Rules)

Notice: a9643

Summary:

Submission of Rule Filing SR-NSCC-2025-014 – Amend NSCC Rule 22 (Suspension of Rules)

Submission of Rule Filing SR-NSCC-2025-013 – Amend the CNS Fails Charge in the NSCC Rules

Fri, 05 Sep 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-013 – Amend the CNS Fails Charge in the NSCC Rules

Notice: a9638

Summary:

Submission of Rule Filing SR-NSCC-2025-013 – Amend the CNS Fails Charge in the NSCC Rules

Holiday Schedule: Columbus Day 2025

Wed, 03 Sep 2025 00:00:00 -0500

Holiday Schedule: Columbus Day 2025

Notice: a9637

Summary:

Input the following statement: Holiday Important Notices are intended to provide clients notice of DTCC’s U.S. holiday observance and how it will impact Clearing and Settlement services, depending on exchange and bank closures.

New York State Stock Transfer Tax

Wed, 03 Sep 2025 00:00:00 -0500

New York State Stock Transfer Tax

Notice: A9636

Summary:

Q3 Reporting applicable dates and deadlines for New York State Stock Transfer Tax

Submission of Rule Filing SR-NSCC-2025-012 – Remove the Other Transactions Charge from the NSCC Rules

Thu, 07 Aug 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-012 – Remove the Other Transactions Charge from the NSCC Rules

Notice: a9630

Summary:

Submission of Rule Filing SR-NSCC-2025-012 – Remove the Other Transactions Charge from the NSCC Rules

Holiday Schedule: Labor Day 2025

Wed, 06 Aug 2025 00:00:00 -0500

Holiday Schedule: Labor Day 2025

Notice: a9627

Summary:

Holiday Schedule: Labor Day 2025

Fully-Paid-For Account Decommission (Additional Decommission Date Information)

Thu, 31 Jul 2025 00:00:00 -0500

Fully-Paid-For Account Decommission (Additional Decommission Date Information)

Notice: a9625

Summary:

Any position that remains in the Fully-Paid-For subaccount E at the end of the day on September 11th will be moved to your general subaccount A.

Fully-Paid-For Account Decommission

Tue, 29 Jul 2025 00:00:00 -0500

Fully-Paid-For Account Decommission

Notice: 9623

Summary:

The decommissioned code will be available in our test region (PSE) on August 8th, 2025, for client testing

Submission of Rule Filing SR-NSCC-2025-011 – Concerning Enhancements to the Automated Customer Account Transfer Service

Wed, 16 Jul 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-011 – Concerning Enhancements to the Automated Customer Account Transfer Service

Notice: a9617

Summary:

Submission of Rule Filing SR-NSCC-2025-011 – Concerning Enhancements to the Automated Customer Account Transfer Service

DTCC Fedwire Funds ISO20022 Conversion

Wed, 16 Jul 2025 00:00:00 -0500

DTCC Fedwire Funds ISO20022 Conversion

Notice: a9618

Summary:

Highlights the location of the OBI code in the wire instructions. Includes a Wire Instruction Matrix.

DTCC Fedwire Funds ISO20022 Conversion Monday, July 14, 2025

Thu, 10 Jul 2025 00:00:00 -0500

DTCC Fedwire Funds ISO20022 Conversion Monday, July 14, 2025

Notice: a9615

Summary:

Reminder of ISO20022 Fedwire Funds message format conversion on July 14th. Notice includes wire instruction matrix and hotline numbers.

Submission of Rule Filing SR-NSCC-2025-010 – Amend the NSCC Rules to Decommission CNS Functionality Related to Level 2 Exemptions and Fully-Paid-For Accounts

Fri, 27 Jun 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-010 – Amend the NSCC Rules to Decommission CNS Functionality Related to Level 2 Exemptions and Fully-Paid-For Accounts

Notice: a9613

Summary:

ISO 20022 Fedwire Funds Implementation: Voluntary testing

Mon, 09 Jun 2025 00:00:00 -0500

ISO 20022 Fedwire Funds Implementation: Voluntary testing

Notice: a9607

Summary:

CHANGES IN THE LIST OF PARTICIPANTS

Fri, 06 Jun 2025 00:00:00 -0500

CHANGES IN THE LIST OF PARTICIPANTS

Notice: a9605

Summary:

Holiday Schedule: Independence Day 2025

Thu, 05 Jun 2025 00:00:00 -0500

Holiday Schedule: Independence Day 2025

Notice: a9606

Summary:

New York State Stock Transfer Tax

Mon, 02 Jun 2025 00:00:00 -0500

New York State Stock Transfer Tax

Notice: A9604

Summary:

Holiday Schedule: Juneteenth 2025

Thu, 15 May 2025 00:00:00 -0500

Holiday Schedule: Juneteenth 2025

Notice: a9599

Summary:

Action required: T1 and T3 circuit updates

Tue, 13 May 2025 00:00:00 -0500

Action required: T1 and T3 circuit updates

Notice: a9598

Summary:

Submission of Rule Filing SR-NSCC-2025-008 – Amend the Capital Policy and the Capital Replenishment Plan

Fri, 25 Apr 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-008 – Amend the Capital Policy and the Capital Replenishment Plan

Notice: a9591

Summary:

Submission of Rule Filing SR-NSCC-2025-009 – Amend the Rules Relating to the Legal Entity Identifier Requirement

Fri, 25 Apr 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-009 – Amend the Rules Relating to the Legal Entity Identifier Requirement

Notice: a9593

Summary:

Holiday Schedule - Memorial Day 2025

Mon, 21 Apr 2025 00:00:00 -0500

Holiday Schedule - Memorial Day 2025

Notice: a9590

Summary:

Submission of Rule Filing SR-NSCC-2025-007 – Amend the Recovery and Wind-down Plan to Satisfy the Requirements of Exchange Act Rule 17ad-26

Wed, 16 Apr 2025 00:00:00 -0500

Submission of Rule Filing SR-NSCC-2025-007 – Amend the Recovery and Wind-down Plan to Satisfy the Requirements of Exchange Act Rule 17ad-26

Notice: a9588

Summary:

Service Updates

CNS Modernization Client Testing Plan to Begin July 13, 2026 Part II (CSV Reports Available on DTCC Learning)

Submission of Rule Filing SR-NSCC-2026-006 – Amend the NSCC Rules to Describe NSCC’s Ability to Support Industry Efforts to Extend Trading Hours for the U.S. Equity Markets

Submission of Rule Filing SR-NSCC-2026-005 – Concerning New Agent Clearing Member Customer Net Margin Accounts for the SFT Clearing Service

Holiday Schedule: Good Friday 2026

New York State Stock Transfer Tax

Submission of Rule Filing SR-NSCC-2026-004 – Concerning New Transaction Reporting Capability for Members That Maintain Clearing Relationships With Another Member

Submission of Rule Filing SR-NSCC-2026-003 – Amend the Clearing Agency Stress Testing Framework

Submission of Rule Filing SR-NSCC-2026-002 – Make Corrections, Clarifications and Certain Other Changes to the NSCC Rules

Holiday Schedule: Presidents’ Day 2026

Deadline to Apply MQ Encryption Standards –NSCC Secure Connections

Submission of Rule Filing SR-NSCC-2026-001 – Concerning the Clearing of Exchange-Traded Funds with Options as Underlying Components

NSCC Information for the Confirmation of a Cybersecurity Program / Compliance to Rule File: SR-NSCC-2019-003

Nominations to the Board of Directors of The Depository Trust & Clearing Corporation

Holiday Schedule: Martin Luther King Jr. Day 2026

Submission of Rule Filing SR-NSCC-2025-017 – Modify Addendum A (Fee Structure) of the NSCC Rules

NSCC Proposed Rule Change – Implementation of Updates to the Clearing Agency Securities Valuation Framework to Include Use of Substantive Inputs (SR-NSCC-2025-006)

New York State Stock Transfer Tax

Submission of Rule Filing SR-NSCC-2025-016 – Annual Testing of the Recovery and Wind-down Plan

Submission of Rule Filing SR-NSCC-2025-015 – Amend the NSCC Rules to Align with Exchange Act Rule 17ad-26

Holiday Schedule: New Year’s Day 2026

Holiday Schedule: Christmas Day 2025

NSCC Business Continuity and Disaster Recovery – Q1 2026 Testing & Rotation Schedule - Revised

Year 2026 Obligation Warehouse RECAPS Schedule

Securities Subject to Directives Issued by the Department of the Treasury’s Office ofForeign Assets Control (OFAC)

NSCC Proposed Rule Change – Implementation of Collection of Intraday Margin Rule Filing (SR-NSCC-2025-005)

Holiday Schedule: Thanksgiving Day 2025

NSCC Equity Clearing Services - Anticipated Holiday Schedule: 2026

Holiday Schedule: Veterans Day 2025

Submission of Rule Filing SR-NSCC-2025-014 – Amend NSCC Rule 22 (Suspension of Rules)

Submission of Rule Filing SR-NSCC-2025-013 – Amend the CNS Fails Charge in the NSCC Rules

Holiday Schedule: Columbus Day 2025

New York State Stock Transfer Tax

Submission of Rule Filing SR-NSCC-2025-012 – Remove the Other Transactions Charge from the NSCC Rules

Holiday Schedule: Labor Day 2025

Fully-Paid-For Account Decommission (Additional Decommission Date Information)

Fully-Paid-For Account Decommission

Submission of Rule Filing SR-NSCC-2025-011 – Concerning Enhancements to the Automated Customer Account Transfer Service

DTCC Fedwire Funds ISO20022 Conversion

DTCC Fedwire Funds ISO20022 Conversion Monday, July 14, 2025

Submission of Rule Filing SR-NSCC-2025-010 – Amend the NSCC Rules to Decommission CNS Functionality Related to Level 2 Exemptions and Fully-Paid-For Accounts

ISO 20022 Fedwire Funds Implementation: Voluntary testing

CHANGES IN THE LIST OF PARTICIPANTS

Holiday Schedule: Independence Day 2025

New York State Stock Transfer Tax

Holiday Schedule: Juneteenth 2025

Action required: T1 and T3 circuit updates

Submission of Rule Filing SR-NSCC-2025-008 – Amend the Capital Policy and the Capital Replenishment Plan

Submission of Rule Filing SR-NSCC-2025-009 – Amend the Rules Relating to the Legal Entity Identifier Requirement

Holiday Schedule - Memorial Day 2025

Submission of Rule Filing SR-NSCC-2025-007 – Amend the Recovery and Wind-down Plan to Satisfy the Requirements of Exchange Act Rule 17ad-26

Securities Subject to Directives Issued by the Department of the Treasury’s Office of
Foreign Assets Control (OFAC)