On February 20, 2015, EDGX Exchange, Inc. (“Exchange” or “EDGX”) filed with the Securities and Exchange Commission (“Commission”), pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”) ^[1] and Rule 19b-4 thereunder,^[2] a proposed rule change to amend Rules 11.6, 11.8, 11.9, 11.10 and 11.11 to clarify and to include additional specificity regarding the current functionality of the Exchange's system, including the operation of its order types and order instructions. On February 27, 2015, the Exchange filed Amendment No. 1 to the proposal.^[3] The proposed rule change, as modified by Amendment No. 1, was published for comment in the Federal Register on March 10, 2015.^[4] On April 17, 2015, the Commission extended the time period in which to either approve or disapprove the proposed rule change, as modified by Amendment No. 1, to June 8, 2015.^[5] The Commission received no comment letters on the proposed rule change, as modified by Amendment No. 1. On June 5, 2015, EDGX withdrew the proposed rule change, as modified by Amendment No. 1 (SR-EDGX-2015-08).