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Decommissioning Notice: NSCC plans to retire CNS® Level 2 Exemption capabilities on August 28, 2025 and the Fully-Paid-For account on September 11, 2025. Updates to the CNS resources will align with these production dates. See the important notices: Fully-Paid-For (A9623) and Level 2 Exemptions (A9619).
View the current NSCC file formats and master files for CNS. Log in to view all of the content available in the Learning Center.
Click to access and download the NSCC file formats for CNS.
Note: For access to the CNS Projection (Midday) MRO: AutoRoute ID 02042358 and CNS Projection (Midday) CSV: AutoRoute ID 02042366 files, see the UST1 site.
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Click to access and download the CNS master files.
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Filter resources:
CNS® Reports and Statements Guide
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CNS® Overview: Part 1
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CNS Projection (Midday) CSV: AutoRoute ID 02042366
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CNS Miscellaneous Activity (Extended) MRO: AutoRoute ID 02040343 (Night) and 02040331 (Day)
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CNS® Allocation Priority Order
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SMART/Track for CNS® Corporate Actions User Help
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CNS Projection (Midday): AutoRoute ID 02042358
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CNS® Overview: Part 2
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CNS® Exemptions
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CNS® Dashboard User Guide
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CNS Opening Position Prior to Night Cycle: AutoRoute 02040951
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CNS Seg Exemption Input: DataTrak ID 06121 - Original and Y2K Format
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CNS Balance Order MRO: AutoRoute ID 02040996
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CNS® Reorganization Master File for AutoRoute ID: 02042251
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CNS® Broker Master File for AutoRoute ID: 02040018
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CNS® Equity Master File - Production AutoRoute ID: 02040290
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CNS® Bond Security File for AutoRoute ID 02040254 (Weekly) and 02040257 (Monthly)
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CNS Opening Position Prior to Day Cycle: AutoRoute ID 02040949
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CNS Intraday ISO 15022 Message Format
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CNS Projection Report: AutoRoute 02042022
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CNS Buy-In Activity: AutoRoute ID 02040890
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CNS® Miscellaneous Activity: AutoRoute 02042008 (Night) and 02041236 (Day)
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CNS Account Summary: AutoRoute ID 02042024
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CNS Night Settlement Activity: AutoRoute ID 02042023 (Night) and 02041234 (Day)
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