Nasdaq is proposing to add new NASD Rule 6540(b) to the NASD Rule 6500 Series, which governs the operation of the OTC Bulletin Board (OTCBB). The purpose of the proposed rule change is to permit ECN and ATS participation in the OTCBB. For further details regarding the proposed changes, see SEC Release No. 34-44732 as it was published in the Federal Register on August 28, 2001.