Proposed Rule Change to Provide Temporary Relief to Permit Member Alternative Trading Systems (ATSs) and ATS Subscribers Additional Flexibility in Transitioning to Disaggregated Reporting for Certain Transactions in U.S. Treasury Securities

Financial Industry Regulatory Authority, Inc. (“FINRA”) is filing with the Securities and Exchange Commission (“SEC” or “Commission”) a proposed rule change to permit member alternative trading systems (ATSs) and ATS subscribers additional flexibility in transitioning to disaggregated reporting by April 12, 2019.