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Proposed Rule Change to Adopt FINRA Rule 6191(b) and Amend FINRA Rule 7440 to Implement the Data Collection Requirements of the Regulation NMS Plan to Implement A Tick Size Pilot Program

Financial Industry Regulatory Authority, Inc. ("FINRA") is filing with the Securities and Exchange Commission ("SEC" or "Commission") a proposed rule change to adopt FINRA Rule 6191 and amend Rule 7440 to implement the Regulation NMS Plan to Implement a Tick Size Pilot Program (Plan).