August 26, 2022
TMX IP Notice 2022-039

TMX Group

TMX Information Processor

TMX IP Notice - Specification Update to CDF and CLS

TMX IP Notice - Specification Update to CDF and CLS

TMX IP is advising clients that effective October 3rd, 2022, the CDF and CLS specifications are being updated as a result of the Nasdaq CXD Purestream trade message.

Please find below a summary which outlines the updated version of the CDF and CLS Functional specifications. Updated specifications are now available on the TMX Webstore.

Specification Version Update
CDF Functional Specification 7.0 Section 5.8 - Added Purestream to the business content

Sections 7, 8 and 9 - Added new tag "703" Purestream to Field
Identifiers
CLS Functional Specification 4.2 Section 5.1 - Added Purestream to the business content

Sections 7, 8 and 9 - Added new tag "703" Purestream to Field
identifiers