September 6, 2023
Ops Notice 2023-027

TMX Group

TMX Operational Notice

General Test Environment (GTE) – Decryption Key Expiry and Rollover

Broadcast Feed (TBF/TRF, CBF/VRF, ABF/ARF) recipients are advised that current Decryption Keys (DK) in the General Test Environment (GTE) expire at the end of the day on Friday, September 29, 2023. Next period DK keys take effect on Saturday, September 30, 2023.

All clients should have the next period GTE Decryption Keys in their possession. If you are missing any GTE DK keys, please contact us to have them re-issued.

The rollover in the PRODUCTION environment is still scheduled to expire at the end of the day on Monday, October 16, 2023 and is not impacted by the GTE rollover.

***A future notice will be sent providing details and timelines for the PRODUCTION (PROD) Decryption Key Expiry and Rollover to be held on October 16, 2023***