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July 14, 2017.
On May 17, 2017, Nasdaq MRX, LLC (“MRX” or “Exchange”) filed with the Securities and Exchange Commission (“Commission”), pursuant to Section 19(b)(1) of the Securities Exchange Act of 1934 (“Act”) 
and Rule 19b-4 thereunder,
a proposed rule change to amend various Exchange rules in connection with a system migration to Nasdaq, Inc. supported technology. The proposed rule change was published for comment in the Federal Register on June 5, 2017.
The Commission received no comment letters on the proposed rule change.
Section 19(b)(2) of the Act 
provides that, within 45 days of the publication of notice of the filing of a proposed rule change, or within such longer period up to 90 days as the Commission may designate if it finds such longer period to be appropriate and publishes its reasons for so finding or as to which the self-regulatory organization consents, the Commission shall either approve the proposed rule change, disapprove the proposed rule change, or institute proceedings to determine whether the proposed rule change should be disapproved. The 45th day for this filing is July 20, 2017.
The Commission is extending the 45-day time period for Commission action on the proposed rule change. The Commission finds that it is appropriate to designate a longer period within which to take action on the proposed rule change so that it has sufficient time to consider the Exchange's proposal, as described above.
Accordingly, pursuant to Section 19(b)(2) of the Act,
the Commission designates September 3, 2017, as the date by which the Commission should either approve or disapprove or institute proceedings to determine whether to disapprove the proposed rule change (File No. SR-MRX-2017-02).
For the Commission, by the Division of Trading and Markets, pursuant to delegated authority.
Jill M. Peterson,
[FR Doc. 2017-15196 Filed 7-19-17; 8:45 am]
BILLING CODE 8011-01-P