Proposed Rule Change to Amend NASD Rule 4613A and Adopt IM-4613A-1 Relating to Additional Market Participant Identifier Functionality on the Alternative Display Facility

NASD is filing with the Securities and Exchange Commission (“SEC” or “Commission”) a proposed rule change to amend NASD Rule 4613A and adopt IM-4613A-1 to enable ECN members that post quotations through the Alternative Display Facility (“ADF”) (i.e., Registered Reporting ADF ECNs), to request and receive multiple market participant identifiers (“MPIDs”) with which to enter multiple quotes/orders in the ADF and report trades through the ADF trade reporting facility, the Trade Reporting and Comparison Service (“TRACS”), pursuant to the NASD Rule 4000A Series.