Notice to Members 06-42

Pilot Program to Permit Additional Market Participant Identifier Functionality on the Alternative Display Facility

On August 8, 2006, NASD filed with the Securities and Exchange Commission (SEC) for immediate effectiveness a rule change to amend 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 and Comparison Service (TRACS), pursuant to the Rule 4000A Series.1

Questions regarding this Notice may be directed to Elliot Levine, Associate Vice President, Transparency Services, at (202) 728-8405; Chris Stone, Associate Chief Counsel, Transparency Services, at (202) 728-8457; or Kathleen O'Mara, Associate General Counsel, Office of General Counsel, Regulatory Policy and Oversight, at (202) 728-8056.

1 Exchange Act Release No. 54307 (August 11, 2006) (Notice of Filing and Immediate Effectiveness of SR-NASD-2006-096). Under Section 19(b) of the Securities Exchange Act of 1934 (Act), the SEC has the authority to summarily abrogate this type of rule change within 60 days of filing.