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Front Office - Comment Letters

For comment letters associated with a major initiative, please go to the relevant working group  page.
FIF Comment Letter to FINRA in Response to FINRA Regulatory Notice 26-15 on Modernizing FINRA’s Best Execution Guidance
POSTED Sep 25, 2026
FIF Letter to the SEC, CAT LLC, FINRA and FINRA CAT Relating to CAT Reporting of the Trading Session Field for Expanded Exchange Trading Hours
POSTED Sep 04, 2026
FIF Comment Letter on the SEC Rule Proposal to Rescind the Trade Through Rule and the Reg NMS Provisions Relating to Locking and Crossing of Quotations
POSTED Aug 17, 2026
FIF Comment Letter to the SEC on the Rule Filing by FINRA to Expand the TRF Operating Hours to 23 x 5
POSTED Jul 24, 2026
FIF Letter to the SEC and FINRA Relating to Expanded Exchange Trading Hours
POSTED Jun 24, 2026
FIF Comment Letter on the SEC Concept Release on CAT and Other Audit Trails and Data Sources
POSTED Jun 22, 2026
FIF Comment Letter to the SEC on the Rule Filing by FINRA to Amend Short Interest Reporting
POSTED Jun 08, 2026
FIF Comment Letter on FINRA Rule Filing to Expand TRACE Affiliate Indicator
POSTED May 27, 2026
FIF Letter to the SEC Relating to the Rule 605 Amendments
POSTED Apr 29, 2026
FIF Submission to CAT LLC with Prioritized Recommendations
POSTED Apr 27, 2026
FIF Letter to FINRA Proposing that FINRA Provide Interpretive Guidance or Regulatory Relief Relating to the Support of Low-Touch Trading Outside of Regular U.S. Business Hours
POSTED Mar 26, 2026
FIF Letter to the SEC Relating to the Dissemination of Fractional Shares by the SIPs and the Vendor Display Rule
POSTED Feb 19, 2026
FIF Letter to FINRA Relating to the Expansion of the TRF Hours of Operation
POSTED Feb 18, 2026
FIF Comment Letter in Response to Rule Filing by CAT LLC to Reduce CAT Operating Costs
POSTED Feb 10, 2026
FIF Letter to the SEC and FINRA Relating to SIP Fractional Shares and the Vendor Display Rule
POSTED Feb 04, 2026
FIF Letter to the SEC Relating to Implementation of the SEC Order to Remove PII from CAT
POSTED Jan 29, 2026
FIF Letter to the SEC Discussing the Implementation of the Rule 605 Amendments
POSTED Jan 14, 2026
FIF Letter to FINRA Relating to SLATE Implementation
POSTED Nov 24, 2025
FIF Letter to the SEC Discussing Implementation of the Reg NMS Amendments Relating to Minimum Pricing Increments and Access Fee Caps
POSTED Oct 29, 2025
FIF Letter to the SEC Requesting Interpretive Guidance Relating to the CAT Reporting of Port Settings or, in the Alternative, Requesting Exemptive Relief to the Same Effect
POSTED Oct 20, 2025