Regulatory Notice 07-39

SEC Approves Amendments Regarding OATS Routing Method Code for Intermarket Sweep Orders

Effective Date: February 4, 2008

Effective February 4, 2008, firms that transmit an intermarket sweep order (ISO), as defined in Regulation NMS, in an OATS-eligible security to another member firm, electronic communications network, non-member or exchange, must record and report the fact that the order was an ISO in their OATS reports.1 The amendments to the OATS rules are attached to this Notice as Exhibit A.

Questions concerning this Notice may be directed to the Legal Section, Market Regulation, at (240) 386-5126, or to the Office of General Counsel at (202) 728-8071.

1 Securities Exchange Act Release No. 56003 (July 2, 2007), 72 FR 37287 (July 9, 2007) (SR-NASD-2007-028).