Latest Updates | CATNMSPLAN

10/17/2025
Technical Specifications
CAT Billing Release Rollout
10/16/2025
Technical Specifications
Full CAIS Industry Member Release Rollout
10/16/2025
Event
Monthly CAT Update (October 16, 2025)
10/16/2025
Technical Specifications
2025 Industry Member Releases (Transaction) - Scope and Schedule
10/15/2025
Reference Material
Industry Member Schema v4.1.0 (2d)
10/14/2025
Reference Material
SEC Order Granting Exemptive Relief Regarding Certain Requirements of the CAT NMS Plan
10/10/2025
Technical Specifications
CAT Reporting Technical Specifications for Plan Participants Addendum v1.0.0 r4
10/09/2025
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r11 (Clean)
10/09/2025
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r11 (Redlined)
10/07/2025
Event
CAT Technical Specifications Working Group - October 7, 2025
10/06/2025
Technical Specifications
CAIS Data File Schema
09/30/2025
Technical Specifications
CAT Industry Member Technical Specifications (2d) v4.1.0 r10
09/25/2025
FAQ| V. CAT Billing
V20. How will a firm be notified that CAT invoices have been published?
09/25/2025
FAQ| W. Fee Dispute Resolution
W2. How does a CAT Reporter commence the fee dispute resolution process?
09/25/2025
FAQ| V. CAT Billing
V17. How do I access the CAT invoice?

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