Citation

80 FR 51642

Canonical document for this Federal Register citation.

Self-Regulatory Organizations; Chicago Board Options Exchange, Incorporated; Order Instituting Proceedings To Determine Whether To Approve or Disapprove a Proposed Rule Change, as Modified by Amendment No. 1, Relating to Rule 6.53C and Complex Orders on the Hybrid System Tuesday, August 25, 2015 80 FR 51642