JSON Schema 03/21/2025 Billing Trade Details Schema - On Exchange 03/21/2025 Billing Trade Details Schema - Off-Exchange CAT Billing Technical Specifications 07/17/2025 CAT Billing Release Rollout 06/30/2025 Planned Billing Technical Specification Updates 02/26/2025 CAT Billing Known Issues List 08/19/2025 CAT Technical Specifications for Billing Trade Details v1.2 r2 Redlined Versions 08/19/2025 CAT Technical Specifications for Billing Trade Details v1.2 r2 (Redlined) Previous Versions 04/30/2025 CAT Technical Specifications for Billing Trade Details v1.2 r1 03/12/2025 CAT Technical Specifications for Billing Trade Details v1.2 09/24/2024 CAT Technical Specifications for Billing Trade Details v1.1 12/08/2023 CAT Technical Specifications for Billing Trade Details v1.0 r1 11/30/2023 CAT Technical Specifications for Billing Trade Details v1.0