SR-NASD-2004-137

Proposed Rule Change by National Association of Securities Dealers, Inc. Relating to Amendments to the OATS Rules to Require that ECNs Capture Routed Order Identifier Information

Notice of Filing and Order Granting Accelerated Approval of Proposed Rule Change by National Association of Securities Dealers, Inc. Relating to Amendments to the OATS Rules to Require that ECNs Capture Routed Order Identifier Information