Citation

81 FR 63821

Canonical document for this Federal Register citation.

Self Regulatory Organizations; Chicago Stock Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Article 20, Rule 13(b) To Modify Certain Data Collection Requirements of the Regulation NMS Plan To Implement a Tick Size Pilot Program Friday, September 16, 2016 81 FR 63821