Citation

75 FR 57539

Canonical document for this Federal Register citation.

Self-Regulatory Organizations; Chicago Board Options Exchange, Incorporated; Order Approving Notice of Proposed Rule Change, as Modified by Amendment Nos. 1 and 2, To Establish a Pilot Program To List P.M.-Settled End of Week and End of Month Expirations for Options on Broad-Based Indexes Tuesday, September 21, 2010 75 FR 57539