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Technical Notice

Updates to ADF User Guide & Specifications

February 26, 2020

FINRA has updated the Alternative Display Facility (ADF) User Guide and ADF FIX Specification for Trade Reporting to now include the FINRA/Nasdaq TRF Chicago, IEX (Investors Exchange) and LTSE (Long-Term Stock Exchange).

Each document’s Revision History illustrates these changes and impacted fields.

Questions regarding this notice should be sent to FINRA Product Management or call (866) 899-2107.